The Brain Psy/240

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* There are several different systems within the body. I will focus on the central nervous system (CNS). The CNS system is the most important it includes the brain and spinal cord. Many messages are transmitted to the brain through the spinal cord telling the rest of the body what to do both voluntary and involuntary responses. * Our brain is separated into two sections. The brain stem and the cerebral hemispheres. Of these two divisions of the brain it is broken down to five other sections; myelencephalon, metencephalon, mesencephalon, diencephalon and telencephalon (Pinel, 2011). The cerebral hemispheres are the biggest and usually shown as a model in a doctor’s office. * It’s the soft gray wrinkle looking stuff. The entire area of the cerebral hemispheres, limbic system and the basal ganglia are all part of the section of the brain called Telencephalon. This area of the brain is responsible for processing sensory data and voluntary movement. * This section is where speaking, learning and problem solving occure. To sum it up, this is the section of the brain where thinking occurs. The cerebral cortex is where language and consciousness take place. Telencephalon is the limbic system which is responsible for the management of motivated behaviors. * These behaviors are known as fight or flight, feeding and sexual behaviors. The limbic system is divided up into two cortical structures; the cingulated cortex and the hippocampus including four sub-cortical structures which include the amygdale, the mammillary bodies, the septum and the fornix. The next part of the brain I will cover is the diencephalon. *

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* There are only two parts to this section the thalamus and hypothalamus located within the diencephalon section. The thalamus has two lobes and is responsible for projecting sensory signals from sensory organs into the sensory cortex. The hypothalamus has three other structures called the optic chiasm which includes the...
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