Memory Problems

Latest news

  • A large study shows stroke is associated not only with an immediate drop in cognitive ability, but also with faster declines in some cognitive functions.
  • The finding points to a need for better long-term care.

Data from 23,572 Americans from the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study has revealed that those who survived a stroke went on to have significantly faster rates of cognitive decline as they aged.

  • Type 2 diabetes is known to increase the risk of Alzheimer's disease.
  • In a reasonably large study, diabetes was found to be linked with higher levels of tau protein, regardless of the presence of dementia.
  • Diabetes was also linked with greater brain shrinkage.
  • The finding adds to evidence that diabetes increases the risk of cognitive impairment in old age.

A study involving older adults has found that diabetes was associated with higher levels of tau protein and greater brain atrophy.

  • Difficulties in remembering past events and imagining future ones are often experienced by those with multiple sclerosis.
  • A trial involving patients with MS has found that training in mentally visualizing imaginery scenarios can improve their ability to recall past events.
  • Deficits in event memory and imagination have also been found in older adults, so this finding might have wider application.

Training in a mental imagery technique has been found to help multiple sclerosis patients in two memory domains often affected by the disease: autobiographical memory and episodic future thinking.

  • A review of previous research has compared brain activity in those with PTSD who experienced trauma, those who experienced trauma but didn't develop PTSD, and those who never experienced trauma.
  • Those who had PTSD had differential activity in two brain regions.
  • Those who had experienced trauma had diffe

A meta-analysis of studies reporting brain activity in individuals with a diagnosis of PTSD has revealed differences between the brain activity of individuals with PTSD and that of groups of both trauma-exposed (those who had experienced trauma but didn't have a diagnosis of PTSD) and trauma-naï

Cognitive impairment affects 40-65% of people with MS. Why? In the past year, a number of studies have helped us build a better picture of the precise nature of cognitive problems that may affect multiple sclerosis sufferers:

A six-week study involving 619 cancer patients has found that those who took part in a simple home-based exercise program significantly reduced their cognitive impairment ('chemo-brain').

In 2013 I reported how a 3-second interruption while doing a task doubled the rate of sequence errors, while a 4s one tripled it. A new study has attempted to measure just how much ongoing interruptions can negatively affect the quality of a complex creative task.

Analysis of post-mortem with and without dementia has found lipopolysaccharide, a component of an oral bacterium (Porphyromonas gingivalis), in four out of 10 Alzheimer’s disease brain samples, but not in any of the 10 brains of people who didn’t have Alzheimer’s.

A study involving 97 healthy older adults (65-89) has found that those with the “Alzheimer’s gene” (APOe4) who didn’t engage in much physical activity showed a decrease in hippocampal volume (3%) over 18 months.

An Indian study involving 648 dementia patients, of whom 391 were bilingual, has found that, overall, bilingual patients developed dementia 4.5 years later than the monolingual ones. There was no additional advantage to speaking more than two languages.