This review looked at how testosterone affects the default mode network, which is a group of brain regions involved in internal thoughts. The researchers looked at several key areas, including the medial prefrontal cortex and the precuneus. They found that testosterone was linked to changes in these specific spots.
These changes seem to affect how people process information about themselves and their emotions. The findings suggest that testosterone impacts internal feelings and self-identity more than it affects general, outward-facing tasks. This means the hormone may play a role in how we perceive our own roles and feelings.
It is important to note that these results come from a review of many different studies. Because the studies were very different from one another and many did not look at a full range of hormones, it is hard to say for certain how much testosterone alone causes these changes. These findings are currently used to help researchers understand the link between hormones and brain function.
