In GAD patients, BLA and CMA connectivity patterns were significantly less distinct, and
increased gray matter volume was noted primarily in the CMA.
Previous studies have shown that this forebrain - midbrain circuit is abnormal in panic and chronic anxiety patients who show decreased vmPFC but
increased gray matter volume and activity in the midbrain encompassing the PAG (24, 25).
Not exact matches
In fact, according to researchers Laura Glynn and Curt Sandman, the
volume of
gray matter (or number of neural cell bodies)
increases in the above regions in new mothers and is associated with their positive feelings toward their infants.
Comparison images taken and two and four weeks postpartum revealed a small but significant
increase in
gray matter volume in specific areas of the brain.
The results suggested that greater leaning towards liberalism was associated with
increased gray matter in the anterior cingulated cortex, whereas greater embracing of conservatism corresponded to
increased volume of the right amygdale.
The researchers also found
increases in
gray matter volume in regions that control leg movement and process sensory information from legs, which may reflect changes related to the brain learning how to move in microgravity.
Orange shows regions of
gray matter volume increase, in the regions that control movement of the legs.
According to the MRI test results, only the participants in the video - game cohort saw
increases in
gray matter volume in the hippocampus and cerebellum.
Across all subjects, reduced
gray matter volume directly correlated with
increases in aggressive behavior.
Following this training, the participants» memory functioning had improved and their brains»
gray matter volume had
increased at a rate comparable to control subjects (other participants without memory concerns who also received the cognitive training).
The
gray matter of the brain regions
increases in
volume and helps in regulating certain responses related to the reward system.
Specifically, meditation has been shown to
increase brain
gray matter volume (which smart phones destroy) in the right angular and posterior parahippocampal gyri.
Only the aerobic exercisers had significant
increases in brain
volume in what are known as the white and
gray matter regions of the brain, areas related to age - related decline in brain structure and cognition.