Amygdala Hyperactivity in Response to Negative Stimuli in Depression
Individuals with depression exhibit heightened amygdala activity, particularly when exposed to negative emotional cues like sad faces. This hyper-responsiveness is notable because it can be triggered by stimuli outside of conscious perception and can continue even after the stimulus has been removed.
0
1
Tags
Ch.15 Psychological Disorders - Psychology @ OpenStax
Psychology @ OpenStax
Introduction to Psychology @ OpenStax Course
OpenStax
OpenStax Psychology (2nd ed.) Textbook
Psychology
Social Science
Empirical Science
Science
Learn After
Impaired Emotional Regulation in Depression via PFC-Amygdala Pathway
In a research study, participants with depression and a control group are shown images of faces with sad or neutral expressions. Brain scans reveal that a key brain region involved in processing emotional significance shows a much stronger and more lasting response to the sad faces in the depressed group compared to the control group. This heightened response occurs even when the faces are shown too quickly for conscious recognition. What is the most accurate interpretation of these findings?
A research study uses brain imaging to compare a group of individuals diagnosed with depression to a control group. Both groups are shown images of sad faces for a duration so brief that the participants often do not consciously perceive them. The results show that the group with depression exhibits significantly greater and more prolonged activation in the amygdala in response to these images. What is the most accurate interpretation of this finding?