Posted: Sep 29, 2017 11:41 am
archibald wrote:surreptitious57 wrote:archibald wrote:
I understand there is an amygdala in each hemisphere
I did not know that there was an amygdala in each hemisphere. I thought there was only one and that it was responsible
for fear and nothing else. I also thought happiness depended upon the levels of serotonin and dopamine within the brain
I am no expert either but I have had this discussion before with someone on another forum and I came away thinking that the idea that the two hemispheres had different roles was largely a myth and even that the brain was modular enough for us to identify specific locations for specific functions was itself overstated and simplistic albeit accurate to a degree
I think the notion of specific functions for the hemispheres that pertains to logic and emotion is generally true rather than
absolutely true. Now other functions are more hemisphere specific. So for example the left hemisphere controls the motor
functions of the right side of the body and vice versa. Also functions such as speech and language. Memory is interesting as
there are two different types : episodic which pertains to images and semantic which pertains to words. But as the brain is
plastic it should not be regarded as entirely modular. The human desire for compartmentalisation I have zero problem with
but the individual regions however do not function in isolation to each other. Anyway from one non expert to another there
is my entirely uninformed opinion about the subject in hand