Mouse study reveals intermittent fasting improves long-term memory retention and promotes hippocampal neurogenesis. The findings could help to slow cognitive decline in older adults.
New research indicates the existence of an unconscious iconic memory store that supports predictions made by the global workspace theory of consciousness. It also shows that visual masking does not erase memory traces of masked stimuli but only limits conscious access.
Decreased blood flow and blood oxygen levels to the hippocampus may explain symptoms of memory loss associated with Alzheimer's. Researchers say increasing hippocampal blood flow could reverse or protect against symptoms of the neurodegenerative disorder.
Researchers have identified significant differences in gene activity between the anterior and posterior areas of the hippocampus. Genes associated with depression and other mood disorders are more active in the anterior hippocampus, while genes linked to cognitive disorders, such as ASD, are more active in the posterior hippocampus.
While memories become less vibrant and detailed over time, the central gist of the memory is preserved.
The reactivation of learned material during slow oscillation/sleep spindle complexes, and the precision of SO-spindle coupling predicts how strong a memory will be reactivated in the brain.
MicroRNA-132 regulates neurogenesis in the hippocampus, according to both mouse and human tissue studies. Restoring levels of microRNA-132 in mouse models of Alzheimer's disease reduces neurogenetic deficits and restores cognitive abilities, researchers say.
A new algorithm that uses data from memory tests and blood samples is able to accurately predict an individual's risk for developing Alzheimer's disease.
By three months, babies are already enlisting the hippocampus to help recognize and learn patterns, researchers report.
Children show improved ability in their math skills when they are trained to practice visual working memory and reasoning tasks.