Lifestyle Effects on Memory & Cognition

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A recent study indicates that the alertness benefits of caffeine may simply reflect the reversal of the fatiguing effects of caffeine withdrawal.

A study involving 379 individuals who abstained from caffeine for 16 hours has revealed little variance in levels of alertness after receiving caffeine.

Several recent studies and reviews suggest that the benefits of caffeine for age-related cognitive impairment and dementia are limited. It may be that the association only exists for women.

A special supplement in the Journal of Alzheimer's Disease focuses on the effects of caffeine on dementia and age-related cognitive decline. Here are the highlights:

Although roundworm research suggesting different effects at different ages is concerned with genetic manipulation, we may speculate that restricting your food intake is a bad idea for young adults but good for the old, while reducing sugar may be better for the young than it is for the old.

Studies on the roundworm C. elegans have revealed that the molecules required for learning and memory are the same from C.

Anorexic women when starved showed smaller brains, but happily this appears to be reversible.

A study comparing the brains 32 adult women with Anorexia Nervosa and 21 healthy women has revealed that when the women with anorexia were in a state of starvation they had less brain tissue (especially in grey matter) compared to the healthy women.

Data from more than 20,000 18-year-old Israeli men has revealed that IQ scores are lower in male adolescents who smoke compared to non-smokers, and lower still in those who smoked more than a pack a day.

Data from more than 20,000 18-year-old Israeli men has revealed that IQ scores are lower in male adolescents who smoke compared to non-smokers, and in twin brothers who smoke compared to their non-smoking brothers.

A study has found that those given alcohol equivalent to around 2 glasses of wine experienced more flashbacks from a video of serious road traffic accidents than those given twice as much alcohol, and those given none. The findings support the view that flashbacks reflect the reactivation of sensory memory in the absence of contextual memory.

A study in which nearly 50 participants consumed either alcohol (.4 or .8 g/kg, around 2 or 4 glasses of wine) or a placebo drink, performed a memory task, then were shown a video of serious road traffic accidents, has found that those given the smaller amount of alcohol experienced more flashba

It’s well established that we are better at recognizing faces of our own racial group, but a new study shows that this ability disappears when we’re mildly intoxicated.

It’s well established that we are better at recognizing faces of our own racial group, but a new study shows that this ability disappears when we’re mildly intoxicated.

The largest ever trial of fish oil supplements has found no evidence that they offer benefits for cognitive function in older people. However, neither the trial group or the placebo group showed any cognitive decline over the two-year period of the study.

The largest ever trial of fish oil supplements has found no evidence that they offer benefits for cognitive function in older people. The British study enrolled 867 participants aged 70-80 years, and lasted two years.

In other words, what's important is the time of day you hear/see/read something, not when you try and remember it.

A study of over 3,100 older men (49-71) from across Europe has found that men with higher levels of vitamin D performed consistently better in an attention and speed of processing task. There was no difference on visual memory tasks.

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