A new study reveals that how your brain reacts to food purchasing decisions can be used to determine your political affiliation with almost 80% accuracy.

Donald Trump trashed John Kelly, who served as his chief of staff for over a year, as an incompetent "mummy" with a "small brain." ...

Trump Says His Hand-Picked Chief of Staff Was ‘Born With a Very Small Brain ... “He had a hard time functioning in a political world, and was truly an exhausted and beaten man when I fired him.

That is a small difference, but significant. It suggests that there is a connection between brain anatomy and ideology at some level, but that it is very indirect,' explains co-author Steven Scholte.

Citation: Study suggests political ideology is associated with differences in brain structure, but less so than previously thought (2024, September 19) retrieved 26 June 2025 from https://phys.org ...

A new study confirms that conservatives boast slightly larger amygdalas, the part of the brain that plays a key role in identifying and reacting to potential threats, compared to liberals.

A new study has identified a common brain circuit for intensity of political involvement across the political spectrum. Researchers from Mass General Brigham assessed data from 124 male military ...