Individual Differences in Premotor Brain Systems Underlie Behavioral Apathy

Commonly described as laziness, but reflected in brain structure...

http://goo.gl/46bFCZ

These findings reveal that effort sensitivity and translation of intentions into actions might make a critical contribution to behavioral apathy. We propose a mechanism whereby inefficient communication between ACC and SMA might lead to increased physiological cost—and greater effort sensitivity—for action initiation in more apathetic people.