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 …