{"id":7476,"date":"2026-10-12T15:06:00","date_gmt":"2026-10-12T15:06:00","guid":{"rendered":"https:\/\/bioprofile.com\/?p=7476"},"modified":"2026-10-12T15:36:15","modified_gmt":"2026-10-12T15:36:15","slug":"poor-short-term-memory-cause","status":"publish","type":"post","link":"https:\/\/bioprofile.com\/en\/poor-short-term-memory-cause\/","title":{"rendered":"Poor short term memory: cause, what research measures and what a brain fog scan shows you"},"content":{"rendered":"\n<article class=\"wp-block-group bp-blog is-layout-flow wp-block-group-is-layout-flow\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@300;400;500;600;700&#038;display=swap\">\n<style id=\"bp-blog-design\">\n.bp-blog {\n  --bp-ink: #212527; --bp-teal: #005859; --bp-teal-deep: #006B62; --bp-emerald: #228A62;\n  --bp-green: #7CA74D; --bp-lime: #B7CB33; --bp-lime-soft: #B7CB3329; --bp-green-aa: #4F6B28;\n  --bp-beige: #EDEAE5; --bp-sand: #DBD4CB; --bp-pale-teal: #D9E6E6; --bp-white: #FFFFFF;\n  --bp-foot: #6b6b6b;\n  --bp-font: 'Poppins','Segoe UI',Arial,sans-serif;\n  --bp-fs-h1: 40px; --bp-fs-h2: 29px; --bp-fs-h3: 21px; --bp-fs-body: 17px;\n  --bp-fs-lead: 19px; --bp-fs-small: 14px; --bp-fs-foot: 13px; --bp-fs-btn: 17px;\n  --bp-lh-body: 1.75;\n  --bp-s-2: 8px; --bp-s-3: 12px; --bp-s-4: 16px; --bp-s-5: 24px; --bp-s-6: 32px;\n  --bp-s-7: 44px; --bp-s-8: 72px;\n  --bp-measure: 875px; --bp-prose: 875px; --bp-side: 40px; --bp-portrait: 132px;\n  --bp-radius-card: 20px; --bp-radius-btn: 10px; --bp-radius-chip: 999px;\n  --bp-shadow: 0 10px 30px rgba(0,88,89,0.10); --bp-shadow-soft: 0 2px 10px rgba(0,88,89,0.06);\n  font-family: var(--bp-font); font-size: var(--bp-fs-body); line-height: var(--bp-lh-body);\n  color: var(--bp-ink); background: var(--bp-white); -webkit-font-smoothing: antialiased;\n}\n.bp-blog, .bp-blog * { box-sizing: border-box; }\n.bp-blog p, .bp-blog li, .bp-blog h1, .bp-blog h2, .bp-blog h3, .bp-blog a, .bp-blog td,\n.bp-blog th, .bp-blog cite { overflow-wrap: break-word; min-width: 0; }\n.bp-blog h1, .bp-blog h2, .bp-blog h3 { text-wrap: balance; }\n.bp-blog p, .bp-blog li { text-wrap: pretty; }\n\/* WordPress core's flow layout puts 24px above every child after the first; inside\n   a grid or a flex row that is a misalignment (measured on the scan pages 2026-08-21) *\/\n.bp-blog .bp-blog-author > *, .bp-blog .bp-blog-related > *, .bp-blog .bp-blog-verify > * { margin-block: 0; }\n\n\/* --- sections: one column, the article measure, the section rhythm ------------ *\/\n.bp-blog-sec { position: relative; background: var(--bp-white); margin-block: 0;\n  padding-block: var(--bp-s-7);\n  padding-inline: max(var(--bp-side), calc((100% - var(--bp-measure)) \/ 2)); }\n.bp-blog-sec > *:last-child { margin-block-end: 0; }\n.bp-blog-sec > p, .bp-blog-sec > ul, .bp-blog-sec > ol, .bp-blog-sec > .wp-block-quote,\n.bp-blog-sec > .bp-blog-faq-item, .bp-blog-sec > .bp-blog-takeaways, .bp-blog-sec > .bp-blog-toc,\n.bp-blog-sec > .bp-blog-refs, .bp-blog-sec > .bp-blog-srclead { max-width: var(--bp-prose); }\n.bp-blog-sec--head { padding-block: var(--bp-s-7) 0; }\n.bp-blog-sec--body { padding-block: var(--bp-s-6) var(--bp-s-7); }\n.bp-blog-sec--beige { background: var(--bp-beige); }\n.bp-blog-sec--wash { background: linear-gradient(180deg, #B7CB331A 0%, #B7CB330D 100%), #FFFFFF; }\n.bp-blog-sec--tight { padding-block: var(--bp-s-6); }\n\/* A COLOURED SECTION IS A PANEL, so it carries the panel radius. 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Wat Thuisarts.nl wel noemt, zijn 5 redenen om contact op te nemen met de praktijk: je denkt dat je geheugen snel achteruitgaat; je hebt last van je klachten bij de gewone dingen die je op een dag doet; je klachten worden steeds erger en het is niet zoals het was; je denkt dat je meer moeite met je geheugen hebt dan andere mensen; je denkt dat je dementie krijgt. Bij een klacht die je zelf merkt, hoorde een relatief risico van 2,12 (95% BI 1,75 tot 2,58) op een later gemeten cognitieve stoornis over gemiddeld 5,4 jaar. 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Worden de klachten steeds erger of zitten de klachten je dag in de weg, maak dan een afspraak.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Welk vitaminetekort veroorzaakt vergeetachtigheid?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Vitamine B12 is het tekort dat bij geheugenklachten genoemd wordt: het Voedingscentrum noemt geheugenverlies naast moeheid, duizeligheid, hartkloppingen en oorsuizen, tintelingen in de vingers, co\u00f6rdinatieproblemen en krachtverlies in de benen. De aanbevolen dagelijkse hoeveelheid is 2,8 microgram voor iedereen van 18 en ouder, en de risicogroepen zijn veganisten, doordat B12 alleen in dierlijke producten zit, en ouderen, doordat de maagzuurproductie met de leeftijd daalt. 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Jouw eigen beeld is er een dat een arts weegt.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is de hersenmistscan een geheugentest?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"De scan meet hoeveel je merkt van klachten van geheugen en concentratie in de afgelopen twee weken, en geeft je een beginwaarde. Een korte nacht, een burn-out, een sombere stemming, een medicijn en een lage B12 lezen in een vragenlijst allemaal hetzelfde. Een oorzaak aanwijzen is werk voor een arts. 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That matters, because most pages stop at the question of whether forgetting is normal, while the causes that come with numbers are exactly the causes you can look at this week. <a href=\"https:\/\/bioprofile.com\/en\/brain-fog-test\/\">The BioProfile brain fog scan<\/a> measures how much you notice of memory and concentration complaints, and gives you an indication of where you stand today in this area, as one of the 11 health areas the full scan assesses. This is not a diagnosis. It is self-insight, to see where you stand today, and to help you make better choices in your food and lifestyle. What this scan does not do: point to a cause or make a diagnosis. Only a doctor can do that.<\/p>\n\n\n\n<div class=\"wp-block-group bp-blog-verify bp-blog-verify--top is-layout-flow wp-block-group-is-layout-flow\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"800\" height=\"1000\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-sonia-sanz-munoz.webp\" alt=\"Portrait of Sonia Sanz Mu\u00f1oz\" class=\"wp-image-6217\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-sonia-sanz-munoz.webp 800w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-sonia-sanz-munoz-240x300.webp 240w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-sonia-sanz-munoz-768x960.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"bp-blog-verify-name wp-block-paragraph\">Verified by <a href=\"https:\/\/bioprofile.com\/experts\/sonia-sanz-munoz\/\">Sonia Sanz Mu\u00f1oz, PhD<\/a><\/p>\n\n\n\n<p class=\"bp-blog-verify-cred wp-block-paragraph\">PhD from the University of Wollongong<\/p>\n\n\n\n<p class=\"bp-blog-verify-date wp-block-paragraph\">Checked on 6 October 2026<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-takeaways is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">In short<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>People who themselves report that their memory is going downhill had a relative risk of 2.12 (95% CI 1.75 to 2.58) of a later measured cognitive disorder, across 22 cohorts and 47,805 participants with an average of 5.4 years of follow-up.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/li>\n\n\n<li>One night of sleep deprivation before learning shifted memory by a pooled Hedges g = 0.621 (95% CI 0.473 to 0.769), from 31 reports and 927 participants.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/li>\n\n\n<li>In burn-out, short term memory and working memory were lower than in controls (g = -0.36, 95% CI -0.52 to -0.20), and attention and processing speed were lower still (g = -0.43, 95% CI -0.57 to -0.29).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/li>\n\n\n<li>In people without a clear deficiency, extra vitamin B12 gave no measurable memory effect: g = 0.028 (95% CI -0.011 to 0.067) across 16 studies and 6,276 participants.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/li>\n\n\n<li>A brain fog scan gives you a starting value for how much you notice of your memory and your concentration today. It is not a diagnosis.<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-toc is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-toclabel wp-block-paragraph\">Contents<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><a href=\"#slecht-korte-termijn-geheugen-oorzaak-leeftijd-en-wat-je-eigen-klacht-zegt\">Poor short term memory: cause, age and what your own complaint says<\/a><\/li>\n\n\n<li><a href=\"#de-nacht-ervoor-weegt-het-zwaarst\">The night before weighs the heaviest<\/a><\/li>\n\n\n<li><a href=\"#burn-out-en-een-sombere-stemming-pakken-eerst-de-snelheid\">Burn-out and low mood take your speed first<\/a><\/li>\n\n\n<li><a href=\"#medicijnen-en-alcohol\">Medicines and alcohol<\/a><\/li>\n\n\n<li><a href=\"#vitamine-b12-en-eten-over-decennia\">Vitamin B12, and eating over decades<\/a><\/li>\n\n\n<li><a href=\"#wanneer-je-contact-opneemt-met-de-arts\">When you contact the doctor<\/a><\/li>\n\n\n<li><a href=\"#wat-een-hersenmistscan-meet\">What a brain fog scan measures<\/a><\/li>\n\n\n<li><a href=\"#samengevat\">In summary<\/a><\/li>\n\n\n<li><a href=\"#veelgestelde-vragen\">Frequently asked questions<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"slecht-korte-termijn-geheugen-oorzaak-leeftijd-en-wat-je-eigen-klacht-zegt\">Poor short term memory: cause, age and what your own complaint says<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thuisarts puts the part about age simply: as you get older, your memory works a bit more slowly, and that is the case for many people.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Your own complaint has been followed for years. Across 21 studies with 22 cohorts and 47,805 participants at the start, people who themselves reported cognitive decline had a relative risk of 2.12 (95% CI 1.75 to 2.58) of a later, objectively measured cognitive disorder, over an average of 5.4 years of follow-up (range 2 to 18 years). Pooled per outcome that was 2.16 (95% CI 1.63 to 2.86) for dementia and 2.29 (95% CI 1.66 to 3.17) for cognitive impairment.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> The authors read this as a risk marker of roughly double. The complaint is self-reported and the outcome is measured years later, so the number describes groups over years.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> For one person it predicts nothing. It is a good reason to say the complaint out loud at the practice instead of waving it away.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"de-nacht-ervoor-weegt-het-zwaarst\">The night before weighs heaviest<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Two meta-analyses separated the night before learning from the night after. Sleep deprivation before learning gave a pooled effect on memory of Hedges g = 0.621 (95% CI 0.473 to 0.769), from 31 reports, 55 effect sizes and 927 participants, over literature from 1989 to 2020. Deprivation after learning was smaller: g = 0.277 (95% CI 0.177 to 0.377), from 45 reports, 130 effect sizes and 1,616 participants, literature from 1994 to 2020. Both are about total, acute sleep deprivation in experiments, so the numbers describe one night of sleep deprivation around a moment of learning.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In plain words: the night before you take something in weighs more heavily than the night after, and a name that will not come to you the morning after a bad night is the most ordinary cause on this list.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"burn-out-en-een-sombere-stemming-pakken-eerst-de-snelheid\">Burn-out and a low mood hit speed first<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Across 17 studies with 730 patients with clinical burn-out and 649 healthy controls, short term memory and working memory were lower in the burn-out group (g = -0.36, 95% CI -0.52 to -0.20), episodic memory sat at g = -0.36 (95% CI -0.57 to -0.15), attention and processing speed at g = -0.43 (95% CI -0.57 to -0.29) and verbal fluency at g = -0.53 (95% CI -1.04 to -0.03). On crystallised ability (6 studies) and visuospatial ability (4 studies) there was no difference between the two groups.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In depression, measured during a current episode against control groups, the deficits in executive functioning, memory and attention ran from d = -0.34 to -0.65; in remission, executive functioning and attention were still off (-0.52 to -0.61), while the memory effects (-0.22 to -0.54) were not significant. The authors call cognitive impairment a core feature of depression that outlives the mood episode.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Dutch measurement gives the scale of this in a general population. Among 4,734 participants aged 40 to 75 (mean 59.1, SD 8.6), measured between November 2010 and January 2018, depressive disorder had no significant link with the memory score (B = -0.02, 95% CI -0.15 to 0.11), while information processing speed was lower (B = -0.18, 95% CI -0.28 to -0.08) and the same held for executive functioning and attention (B = -0.13, 95% CI -0.25 to -0.02). The chance of cognitive impairment in general was higher: OR 1.60 (95% CI 1.06 to 2.40).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Read together, these three say something useful: what stress and a low mood take away first is speed and attention, and &#8220;my short term memory is bad&#8221; is often how slower attention feels from the inside. Thuisarts names tension and major life events, and being low or having a depression, among the things that make forgetfulness worse.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"medicijnen-en-alcohol\">Medicines and alcohol<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thuisarts names 6 things that can make forgetfulness worse: tension and major life events; being low or having a depression; some medicines, such as sleeping pills and medicines for depression; some medicines for urine loss and an enlarged prostate; alcohol; drugs.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For one of those groups there is a measurement. Across 13 studies with 26,033 participants of 60 years and older (average age 72.5 years in the cohort studies, 83.8 years in the cross-sectional studies), people who use benzodiazepines regularly did not differ from controls on the memory test (SMD -0.04, p = 0.41, n = 2,580), while processing speed was clearly lower (SMD -0.61, p &lt; 0.0001, n = 253). General cognition on the MMSE was lower in people who misused benzodiazepines (SMD -0.23, p = 0.02, n = 7,726); in people who use them regularly that difference was absent (SMD -0.05, p = 0.85, n = 1,536).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">8<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here too it is about speed rather than about the memory test itself. If a sleeping pill or another daily medicine is on your list, you discuss this with whoever prescribed it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"vitamine-b12-en-eten-over-decennia\">Vitamin B12, and eating over decades<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The recommended daily amount of vitamin B12 is 2.8 micrograms a day for everyone aged 18 and over. B12 is only found in animal products, so vegans are a risk group, and so are older people, because stomach acid production falls with age; absorption can also fall short if there is too little intrinsic factor. Complaints the Voedingscentrum names with a deficiency are tiredness, dizziness, palpitations and ringing in the ears, plus tingling in the fingers, memory loss, coordination problems and loss of strength in the legs.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is a deficiency. Extra B12 without a deficiency is a separate question: across 16 randomised controlled trials with 6,276 participants with a mean age of 66 to 82 years, in people without a clear deficiency the memory effect was g = 0.028 (95% CI -0.011 to 0.067), general cognition g = 0.061 (95% CI -0.001 to 0.123) and the executive domain g = 0.06 (95% CI -0.021 to 0.141), with the literature searched up to June 2020. The meta-regression found no link with the B12 level at the start, the dose or the duration.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup> So the pill is worth something if there is a deficiency, and whether there is one is a blood value that a doctor requests.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eating over the years is a slower story. In the Doetinchem Cohort Study, 3,644 Dutch participants (51% women) aged 45 to 75 at the start were measured in 6 rounds over up to 20 years, with a median follow-up of 15 years. The highest tertile for following the dietary guidelines showed an about 7% slower general cognitive decline between 55 and 75 years of age (range 6.5% to 7.4%) than the lowest tertile, and at 65 the difference came down to about 2 years of cognitive age for general cognition and 2.1 to 2.4 years for memory performance. The dietary indexes were linked with the level of memory performance, while the change in memory over the follow-up stood apart from both indexes.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two years of cognitive age is a real difference and a slow difference. Eating by the guidelines shows itself over decades rather than in your memory next week.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wanneer-je-contact-opneemt-met-de-arts\">When to contact the doctor<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thuisarts names 5 reasons to call the practice or make an appointment on a working day: you think your memory is going downhill quickly; your complaints get in the way of the ordinary things you do in a day; your complaints keep getting worse and it is not how it was; you think you have more trouble with your memory than other people do; you think you are getting dementia.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-een-hersenmistscan-meet\">What a brain fog scan measures<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The brain fog scan asks about the past two weeks: how often you notice that you forget something, search for words and lose your concentration, and how much that gets in the way of your day. Your answers become a score for this area and the reading band the score falls in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What a questionnaire cannot do is name a cause. A short night, a burn-out, a low mood, a benzodiazepine and a low B12 all read the same in a list of questions.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a>,<a href=\"#bronnen\">8<\/a><\/sup> Blood values and a doctor&#8217;s assessment are the layers that turn a complaint into an explained picture. The scan is not a diagnosis. If you use the word brain fog for all of this instead of memory, the background is in <a href=\"https:\/\/bioprofile.com\/en\/brain-fog-what-it-is-and-where-it-comes-from\/\">what brain fog is and where it comes from<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"samengevat\">In summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Growing older makes memory work a little more slowly in many people.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup> A complaint about your own memory is a risk marker of roughly double over an average of 5.4 years and not a statement about one person.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> One night of sleep deprivation before learning weighs more heavily than the night after.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> Burnout and depression first pull attention and processing speed down, and the memory score follows less clearly.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a>,<a href=\"#bronnen\">6<\/a>,<a href=\"#bronnen\">7<\/a><\/sup> Benzodiazepines lowered speed rather than the memory test.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">8<\/a><\/sup> A B12 deficiency comes with memory complaints, while extra B12 without a deficiency did nothing measurable.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a>,<a href=\"#bronnen\">4<\/a><\/sup> Eating according to the guidelines showed up over decades as roughly 2 years of cognitive age.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/a><\/sup> Thuisarts gives 5 reasons to report it to the practice.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup> A scan gives you a baseline, and the rest can only come from a doctor.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-cta is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Measure where you start<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A handful of questions about the past two weeks, about three minutes, and your score for this area is in your dashboard. What the brain fog scan measures and what the scan is based on is on the scan page.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bioprofile.com\/en\/brain-fog-test\/\">Start the brain fog scan<\/a><\/div>\n\n<\/div>\n\n\n\n<p class=\"bp-blog-ctamicro wp-block-paragraph\">Free, about 3 minutes. An analysis of your answers, never a diagnosis. <a href=\"https:\/\/bioprofile.com\/en\/free-health-check-tests\/\">All health scans<\/a><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"veelgestelde-vragen\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">What are 5 early signs of Alzheimer&#8217;s?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Our checked sources hold no list of five early signals, so such a list is missing here. What Thuisarts.nl does name are 5 reasons to contact the practice: you think your memory is going downhill fast; your complaints bother you in the ordinary things you do in a day; your complaints keep getting worse and it is not as it was; you think you have more trouble with your memory than other people; you think you are getting dementia.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup> A complaint you notice yourself came with a relative risk of 2.12 (95% CI 1.75 to 2.58) of a later measured cognitive disorder over an average of 5.4 years.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> What it means in your case is a question for a doctor.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">What do you do about losing your short term memory?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Start with the night, because that is the largest measured effect: one night of sleep deprivation before learning shifted memory by g = 0.621 (95% CI 0.473 to 0.769).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> Then work through the 6 things Thuisarts names that can make forgetfulness worse: tension and major life events, feeling low or being depressed, some medicines such as sleeping pills and medicines for depression, some medicines for urine loss and an enlarged prostate, alcohol, drugs.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup> If the complaints keep getting worse, or if they get in the way of your day, make an appointment.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Which vitamin deficiency causes forgetfulness?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin B12 is the deficiency that gets named with memory complaints: the Voedingscentrum lists memory loss alongside tiredness, dizziness, heart palpitations and ringing in the ears, tingling in the fingers, coordination problems and loss of strength in the legs. The recommended daily amount is 2.8 micrograms for everyone of 18 and older, and the risk groups are vegans, because B12 is only in animal products, and older people, because stomach acid production falls with age.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup> Without a deficiency, extra B12 did nothing measurable for memory in 16 studies with 6,276 participants.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Can a short term memory get better again?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">What is measured moves in both directions. In depression, the memory effects during an episode ran from -0.34 to -0.65, and in remission the memory effects (-0.22 to -0.54) were no longer significant, while executive functioning and attention were still off (-0.52 to -0.61).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup> In burn-out, short term memory and working memory sat at g = -0.36 (95% CI -0.52 to -0.20).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup> Extra B12 without a deficiency shifted nothing.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup> Your own picture is one a doctor weighs.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Is the brain fog scan a memory test?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The scan measures how much you notice of memory and concentration complaints over the past two weeks, and gives you a starting value. A short night, a burn-out, a low mood, a medicine and a low B12 all read the same in a questionnaire. Pointing to a cause is work for a doctor. It is not a diagnosis.<\/p>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--beige bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bronnen\">Sources<\/h2>\n\n\n\n<p class=\"bp-blog-srclead wp-block-paragraph\">Every source below was checked on the day this article was published. The numbering follows the text.<\/p>\n\n\n\n<ol class=\"wp-block-list bp-blog-refs\">\n\n<li>Wang X-T, Wang Z-T, Hu H-Y, et al. Association of Subjective Cognitive Decline with Risk of Cognitive Impairment and Dementia: A Systematic Review and Meta-Analysis of Prospective Longitudinal Studies. The Journal of Prevention of Alzheimer&#8217;s Disease, 2021;8(3):277-285. <a href=\"https:\/\/doi.org\/10.14283\/jpad.2021.27\">doi.org\/10.14283\/jpad.2021.27<\/a><\/li>\n\n\n<li>Newbury CR, Crowley R, Rastle K, Tamminen J. Sleep deprivation and memory: Meta-analytic reviews of studies on sleep deprivation before and after learning. Psychological Bulletin, 2021;147(11):1215-1240. <a href=\"https:\/\/doi.org\/10.1037\/bul0000348\">doi.org\/10.1037\/bul0000348<\/a><\/li>\n\n\n<li>Gavelin HM, Domellof ME, Astrom E, Nelson A, Launder NH, Stigsdotter Neely A, Lampit A. Cognitive function in clinical burnout: A systematic review and meta-analysis. Work and Stress, 2022;36(1):86-104. <a href=\"https:\/\/doi.org\/10.1080\/02678373.2021.2002972\">doi.org\/10.1080\/02678373.2021.2002972<\/a><\/li>\n\n\n<li>Markun S, Gravestock I, Jager L, Rosemann T, Pichierri G, Burgstaller JM. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression. Nutrients, 2021;13(3):923. <a href=\"https:\/\/doi.org\/10.3390\/nu13030923\">doi.org\/10.3390\/nu13030923<\/a><\/li>\n\n\n<li>Thuisarts.nl (NHG). Ik vergeet snel dingen. Accessed 30 September 2026. <a href=\"https:\/\/www.thuisarts.nl\/snel-dingen-vergeten\/ik-vergeet-snel-dingen\">thuisarts.nl<\/a><\/li>\n\n\n<li>Rock PL, Roiser JP, Riedel WJ, Blackwell AD. Cognitive impairment in depression: a systematic review and meta-analysis. Psychological Medicine, 2014;44(10):2029-2040. <a href=\"https:\/\/doi.org\/10.1017\/S0033291713002535\">doi.org\/10.1017\/S0033291713002535<\/a><\/li>\n\n\n<li>Geraets AFJ, Schram MT, Jansen JFA, et al. The relation of depression with structural brain abnormalities and cognitive functioning: the Maastricht study. Psychological Medicine, 2022;52(15):3521-3530. <a href=\"https:\/\/doi.org\/10.1017\/S0033291721000222\">doi.org\/10.1017\/S0033291721000222<\/a><\/li>\n\n\n<li>Liu L, Jia L, Jian P, et al. The Effects of Benzodiazepine Use and Abuse on Cognition in the Elders: A Systematic Review and Meta-Analysis of Comparative Studies. Frontiers in Psychiatry, 2020;11:755. <a href=\"https:\/\/doi.org\/10.3389\/fpsyt.2020.00755\">doi.org\/10.3389\/fpsyt.2020.00755<\/a><\/li>\n\n\n<li>Voedingscentrum. Vitamine B12. Accessed 30 September 2026. <a href=\"https:\/\/www.voedingscentrum.nl\/encyclopedie\/vitamine-b12.aspx\">voedingscentrum.nl<\/a><\/li>\n\n\n<li>Nooyens ACJ, Yildiz B, Hendriks LG, van Boxtel MPJ, Picavet HSJ, Boer JMA, Verschuren WMM. Adherence to dietary guidelines and cognitive decline from middle age: the Doetinchem Cohort Study. The American Journal of Clinical Nutrition, 2021;114(3):871-881. <a href=\"https:\/\/doi.org\/10.1093\/ajcn\/nqab109\">doi.org\/10.1093\/ajcn\/nqab109<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Also read<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-related is-layout-flow wp-block-group-is-layout-flow\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/en\/forgetfulness-causes-and-what-a-scan-measures\/\">Forgetfulness: where the complaint comes from, what the studies measured and when to contact your GP<\/a><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/en\/brain-fog-what-it-is-and-where-it-comes-from\/\">Brain fog: what it is, where it comes from and what a brain scan does and does not measure<\/a><\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Written by<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-author is-layout-flow wp-block-group-is-layout-flow\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"320\" height=\"320\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg\" alt=\"Jesse van der Velde\" class=\"wp-image-4815\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg 320w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-300x300.jpg 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-150x150.jpg 150w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group bp-blog-authorid is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorrole wp-block-paragraph\">Founder of BioProfile<\/p>\n\n\n\n<p class=\"bp-blog-authorname wp-block-paragraph\">Jesse van der Velde<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authorbody is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\">Jesse van der Velde has been guiding people to a new body and optimal health since 2006, and has written or co-written fifteen books on nutrition and health. Forever Young (2012) and Superfood Recipes (2013) both reached number 1 in the Netherlands.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authormeta is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\"><a href=\"https:\/\/nl.linkedin.com\/in\/jessevdv\">LinkedIn<\/a><\/p>\n\n\n\n<p class=\"bp-blog-dates wp-block-paragraph\">Published on 12 October 2026 \u00b7 Last updated on 12 October 2026<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--foot is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-legal wp-block-paragraph\">BioProfile analyses your health status to guide you and your coach. It does not make a diagnosis, only a doctor can do that. Built on validated health questionnaires; the combined BioProfile score is not itself a validated clinical instrument yet. Your answers stay private (GDPR).<\/p>\n\n<\/div>\n\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Poor short term memory: cause by cause, from one short night to burn-out and low mood. What a scan shows and when to see the doctor.<\/p>\n","protected":false},"author":18,"featured_media":6862,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"2","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_opengraph-image-id":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_twitter-image-id":"","inline_featured_image":false,"footnotes":""},"categories":[69],"tags":[],"class_list":["post-7476","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brain-health-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Poor short term memory: cause and testing | BioProfile<\/title>\n<meta name=\"description\" content=\"Poor short term memory: cause by cause, from one short night to burn-out and low mood. 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