Foxes bred to be either tame or aggressive had increased size in similar brain regions, a new study reports. The animals bred for specific behavioral traits had larger brains than those that were conventionally bred. The findings contradict existing theories of animal domestication.
Stressed male mice can pass down their behaviors to their offspring via alterations in their sperm's DNA, a new study reports.
White lies that are selfish in nature elicit increased activity in both the ventral and rostral medial prefrontal cortex.
A new study reveals activity in the amygdala remains consistent when a person views neutral stimuli following viewing negative stimuli. The persistent activity increased negative mood and decreased positive feelings.
Increased activity in the nucleus accumbens forecasted an increase in stock price within the next day, whereas increased activity in the anterior insular was predictive of whether a stock price would flip or change direction.
Overactive hippocampal activity may explain why some older people have trouble with spatial navigation and learning.