Brain regulation of emotions/ personality

Question 1

Injury to or disruption of function in many parts of the brain can affect what?

Answer 1

Personality and emotional functioning - personality/ emotional changes are much less understood and studied than cognitive deficits because they are more difficult to objectively define, measure, and evaluate.

Question 2

Brain areas most involved in control/ expression of emotions/personality:

Answer 2

Right hemisphere: expression and comprehension of emotion;

• Prefrontal; orbitofrontal cortex
• Medial temporal/ ventral medial cortex - anterior cingulate
• Anterior-medial temporal - amygdala
• However, there are multiple cortical and subcortical systems involved in emotions/ personality

Question 3

Damage to the 4-5 systems named for being involved in control/expression of emotions/ personality will produce

Answer 3

less consistent changes in this area re. emotion, etc., than cognitive deficits

Question 4

There is much more variability in___following brain injury than in____following brain injurty

Answer 4

personality vs. cognitive - i.e., brain damage produces more consistent effects on cognitive functions than it does on personality

Question 5

Premorbid personality plays a significant role in

Answer 5

the affect of brain injury on personality change - brain networks mediating personality are more diffusely distributed