<P> There are functional differences between the right and left amygdala . In one study , electrical stimulations of the right amygdala induced negative emotions , especially fear and sadness . In contrast , stimulation of the left amygdala was able to induce either pleasant ( happiness ) or unpleasant ( fear , anxiety , sadness ) emotions . Other evidence suggests that the left amygdala plays a role in the brain 's reward system . </P>
<P> There are functional differences between the right and left amygdala . In one study , electrical stimulations of the right amygdala induced negative emotions , especially fear and sadness . In contrast , stimulation of the left amygdala was able to induce either pleasant ( happiness ) or unpleasant ( fear , anxiety , sadness ) emotions . Other evidence suggests that the left amygdala plays a role in the brain 's reward system . </P>
an over stimulated amygdala could result in what kind of behaviors
an over stimulated amygdala could result in what kind of behaviors
fear sadness happiness anxiety
fear sadness happiness anxiety