When the mothers had been more positive towards their children, the amygdalae
of the younger children, aged 8-10, showed a decrease over time in response to the fearful faces .
The new finding that enlargement of the amygdalae
is seen bilaterally in individuals with lax joints is consistent with the notion that joint hypermobility merely represents one readily observable feature of a broader multisystem phenotype, Dr.
Functional imaging studies showed increased activation of the amygdalae
after fear stimuli in healthy volunteers.
The fMRI scans revealed an overall increase in blood flow within the participants' amygdalae
in response to intense odors whether they were refreshing or repellant.
of children who had experienced violence in their lives grew more active in response to both types of faces, which suggested that these children may engage emotional responses even for social cues that are not particularly threatening.
When in the fMRI scanner, subjects could not see, feel, or hear the experimenter; nevertheless, their amygdalae
lit up when they believed the experimenter to be close by.
Adults and adolescents with bipolar I disorder have significantly smaller amygdalae
than healthy control patients, according to a cross-sectional.