While there’s still a debate about whether we have free will or not, most researchers at least agree that we feel as if we do. That perception is often considered to have two elements: a sense of having decided to act – called “volition”; and feeling that that decision was our own – having “agency”.
Now in a paper in PNAS, Ryan Darby at Vanderbilt University Medical Center and colleagues have used a new technique – lesion network mapping – to identify for the first time the brain networks that underlie our feelings of volition and for agency. “Together, these networks may underlie our perception of free will, with implications for neuropsychiatric diseases in which these processes are impaired,” the researchers write. Continue reading →