Loneliness and the brain

Scientists have studied social interactions to understand the deleterious effects of social isolation, but research shows loneliness affects the structure of the brain. Studies of the brain could pave the way to future treatments of diseases stemming from loneliness. Written by Brett J. Weiss June 20, 2020 According to the US Census Bureau, approximately 31 …

Us and Them: Neurobiology of Intergroup Differences and Conflict

Image by John Hain from Pixabay Written by Brett Weiss December 2019 Biology reveals that humans are animals-- Old World primates, also referred to as apes (Sapolsky, 2018).  Humans have innate needs and desires to belong to groups, and with these needs comes potential for differences and conflict between groups.  Countless examples throughout human history …

Sex Differences in the Brain

Written by Brett Weiss October 2019 Image by Clker-Free-Vector-Images from Pixabay Biological differences clearly exist between males and females.  Major biological differences that distinguish the sexes relate to brain structure and hormonal regulation of brain activity, which result in differences in behavior.  Defining these differences has proven difficult and very complex.  The following will present …

Mapping the ‘Self’ in the Brain

Written by Brett Weiss September 2019 Image by holdentrils from Pixabay What if the synchronous activation of a network of brain regions accounts for each individual’s sense of ‘self?’  Neuroscientists have identified such a network which activates both during ‘mind wandering’ and ‘unconstrained self-referential thought.’  Termed the ‘default mode network,’ this network of brain regions …

How Stress Affects Neuro-immune Function

Written by Brett Weiss September 2019 Image by VSRao from Pixabay Stress causes an immune system response, which affects the brain as well.  Hence, stress causes “neuroimmune” responses whereby long-term changes in the brain can occur.  Stressful experiences include minor daily events or hassles that can perpetuate and culminate into more chronic periods of distress.  …