Home » Archives by category » Psychology news (Page 1421)

Stroke damage mechanism identified

A mechanism linked to the brain damage often suffered by stroke victims has been discovered by scientists, who are now searching for drugs to block it. Strokes happen when the blood supply to part of the brain is cut off but much of the harm to survivo…

Childhood experience with family verbal conflict can help in stressful situations in later years

Researchers measured cortisol in saliva to determine stress levels in subjects being testedThe holiday season gives people the opportunity to reconnect with friends and family each year.

What does your baby remember?

Parents who spend their time playing with and talking to their five-month-old baby may wonder whether their child remembers any of it a day later.

Game theory analysis shows how evolution favors cooperation’s collapse

Last year, University of Pennsylvania researchers Alexander J. Stewart and Joshua B. Plotkin published a mathematical explanation for why cooperation and generosity have evolved in nature.

Teens with a history of TBI are nearly 4 times more likely to have used crystal meth

Ontario students between grades 9 and 12 who said they had a traumatic brain injury in their lifetime, also reported drug use rates two to four times higher than peers with no history of TBI, according to research.

Dogs hear our words and how we say them

When people hear another person talking to them, they respond not only to what is being said — those consonants and vowels strung together into words and sentences — but also to other features of that speech — the emotional tone and the speaker’s ge…

Brain researchers pinpoint gateway to human memory

An international team of researchers has successfully determined the location, where memories are generated with a level of precision never achieved before. To this end the scientists used a particularly accurate type of magnetic resonance imaging tech…

Prehistoric conflict hastened human brain’s capacity for collaboration

Warfare not only hastened human technological progress and vast social and political changes, but may have greatly contributed to the evolutionary emergence of humans’ high intelligence and ability to work together toward common goals, according to a n…

Isolation of important centres in brain results in age-related memory deficits

Poor memory among the elderly can be explained by regions in the hippocampus complex, an important part of the brain, becoming more co-active during rest, thereby interacting less efficiently with other parts of the brain when we try to memorize inform…

How various brain areas interact in decisions

Our decisions can be pictured in the brain, and now scientists have been able to show in a recent study which areas are most active in decision making. Often the so-called prefrontal cortex not only apparently shows increased activity during decisions …