Better visual memory if more vitamin D – April 2023

Vitamin D is associated with visual memory in young northern adolescents
14+ VitaminDWiki pages with MEMORY in title
References

Vitamin D is associated with visual memory in young northern adolescents

Nutr Neurosci . 2023 Apr 8;1-12. doi: 10.1080/1028415X.2023.2199498 PDF is behind a paywall
Katherine R F Bailey 1 2, Jacqueline A Pettersen 1 2

chart from Google image

Background: Vitamin D status has been linked to visual memory in adults. We hypothesized a similar association in young adolescents.

Methods: Participants were 9-13 years. The Rey-Osterrieth Complex Figure Task (ROCF), Rey Auditory Verbal Learning Task (RAVLT), Digit Span (Forward, Backward), and verbal fluency task assessed visual and verbal learning/memory, attention/working memory, and executive functioning/language, respectively. An at-home, mail-in blood spot test assessed 25(OH)D levels.

Results: Participants (N = 56) were 10.7 ± 1.3 years, 61% females, 25(OH)D levels 84.2 ± 25 nmol/L(39.9 - 167.2 nmol/L) and 41% had insufficient vitamin D status (<75 nmol/L).
Only measures of visual memory (ROCF-Recall, -%Recall of Copy) were significantly correlated with 25(OH)D, r = .34, p < .01 and r = .33, p < .01, respectively, and 25(OH)D remained a significant independent predictor on multiple regression analyses, which included age and sex.(ROCF-Recall overall model: Adj R2 = .24, p < .001; for 25(OH)D: p = .009; ROCF-%Recall of Copy overall model: Adj R2 = .20 p < .002; for 25(OH)D: p = .01). Individuals with sufficient vitamin D performed significantly better only on these measures (t-tests; ROCF-Recall, p = .016, d = 0.68; ROCF-%Recall of Copy, p = .022, d = 0.64). Despite moderate effect sizes (d = 0.4-0.5) in the Younger Age Group (9-10 years), only in the Older Age Group (11-13 years) was 25(OH)D significantly correlated with ROCF-Recall, r = .64, p = .0001 and ROCF-%Recall of Copy, r = .64, p = .0001, as well as working memory (Digit Span-Backward), Spearman's r = .46, p = .013. Similarly, those in the Older Age Group with sufficient vitamin D performed significantly better on ROCF-Recall, p = .01, d = 1.07; and ROCF-%Recall of Copy, p = .009, d = 1.08.

Conclusions: Vitamin D insufficiency was common in young adolescents. Similar to adults, visual memory was better among participants with higher 25(OH)D and those with sufficient levels. This effect was especially pronounced among older participants, suggesting possible time- and/or age-related implications of vitamin D status on cognition.

14+ VitaminDWiki pages with MEMORY in title

This list is automatically updated

Items found: 15

Title		Modified
Dementia problems: memory, financial, sleep, personality, driving, loss of smell – Sept 2024		27 Sep, 2024
Better visual memory if more vitamin D – April 2023		08 Apr, 2023
Covid was vanishing last Memorial Day. Cases are five times higher now - May 28, 2022		28 May, 2022
Good working memory in seniors is associated with both Vitamin D and Vitamin C – March 2022		28 Mar, 2022
Improve Cognitive Health and Memory with Vitamin D and Omega-3 – World Patent March 2018		28 Jun, 2018
Adding Vitamin D, Omega-3, etc to children’s milk improved memory (yet again) – RCT June 2018		09 Jun, 2018
Visual memory improved a bit by vitamin D if start with less than 30 ng – RCT Jan 2017		02 Mar, 2017
Parkinson's Disease poor verbal fluency and memory strongly associated with low vitamin D – Sept 2013		11 Jan, 2016
Memory loss linked to low vitamin D – Nov 2015		11 Dec, 2015
Poor memory (among diabetics) if have low vitamin D – Aug 2015		08 Sep, 2015
Better memory if take lots of vitamin D (senior rats) – May 2015		01 May, 2015
2X better attention and working memory if high vitamin D among seniors living in communities – April 2015		04 Apr, 2015
Short-term memory 2X better for those who took slightly more vitamin D 14 years before – Sept 2014		21 Sep, 2014
Parkinson's Disease – better memory and less depression with higher levels of vitamin D – Dec 2013		22 Jan, 2014
Long term rat memory aided by optimal level of vitamin D – Dec 2012		23 Jan, 2013

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