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Your Guide to Neuroanatomy

A simple guide to neuroanatomy for PSY 350 by Cassie Khurana

Cassie Khurana

on 13 September 2012

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Transcript of Your Guide to Neuroanatomy

by Cassie Khurana Your Guide
to Neuroanatomy The two parts of the nervous system Let's start with the basics... The Central Nervous System also known as CNS The Peripheral Nervous System also known as PNS The Spinal Cord The spinal cord runs vertical down your back. The spinal cord is like a highway for the PNS. It helps the PNS communicate with the brain. is made up of... The Brain Consists of five major sections Telencephalon Diencephalon Mesencephalon (Midbrain) Metencephalon Myelencephalon The brain is also divided into lobes (or sections). Each lobe helps in different functions of everyday life. The frontal lobe is located at the front of your head.

The frontal lobe is responsible for activities such as:
parts of speech and movement (motor cortex)

If you have issues with this part of the brain, there could be problems with coherent speech, uncontrollable emotions, or forgetfulness. The occipital lobe is located at the back of you head.

This part of the brain deals with
many different parts of vision.

If you have issues with this part of the brain, there could be potential issues with sight such as diminished sight or blindness. The parietal lobe is located at the crown of the head.

This part of the brain is responsible for perception. Or how we perceive objects, smells, colors and other aspects of everyday life.

If you are have a problem in this area of the brain you might have problems knowing what an object is, or confusing tastes with colors. The temporal lobe is located on the side of the head in the area above the ear.

This area of the brain processes sounds and also keeps memories.

If there are problems with this section of the brain, it could cause deafness, or the inability to recognize sounds. It could also cause memory loss. The brain communicates by using cells called neurons.

These neurons form a huge highway of information, always firing information to one another. Is subdivided into two nervous systems... The Sensory-Somatic Nervous System The Autonomic Nervous System Made up of 12 pairs of cranial nerves, which are located in the head.

And 31 pairs of spinal nerves, which are located in the spine.

These nerves are made of two types of neurons. The Sensory Neurons The Motor Neurons The sensory neurons let the brain know when you are sensing things. It helps communicate the five senses to the brain. The motor neurons gives the brain the ability to tell the body what to do and how to work. The autonomic nervous system helps the brain communicate to the organs and keeps them working. How does the brain protect itself? By using the Blood Brain Barrier This barrier surrounds the brain. The barrier is not solid but can let in and out certain substances. It protects the brain from foreign substances.
It also protects the brain from other chemicals the body makes that are intended for other areas of the body and not the brain.
It also helps keep a constant an consistent environment for the brain. Thanks,
for exploring neuroanatomy with us.
We hope this has helped.
If you have any questions please be sure to ask your doctor.
Have a great visit.
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