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The brain and behavior part 2

by: Lauren Thompson

The brain and behavior part 2 PSYC-11762-001

Marketplace > Kent State University > Psychlogy > PSYC-11762-001 > The brain and behavior part 2
Lauren Thompson

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About this Document

These notes cover what is going to be on the test
General Psychology
Robin L. Joynes
Class Notes
25 ?




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This 3 page Class Notes was uploaded by Lauren Thompson on Monday February 8, 2016. The Class Notes belongs to PSYC-11762-001 at Kent State University taught by Robin L. Joynes in Summer 2015. Since its upload, it has received 52 views. For similar materials see General Psychology in Psychlogy at Kent State University.


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Date Created: 02/08/16
The Brain and Behavior (Part 2) Sunday, February 7, 2016 5:03 PM The brain is part of the Central Nervous System there are 3 different division  Hindbrain o Where the brain matter starts o Has three parts (None of these three parts work in isolation but instead as a pathway)  Medulla  After the spinal cord  Function:  Critical body functions  Involved with heart beat and breathing as well  Pons  Right above the medulla  Function:  Arousal and sleep  Has a reticular formation that helps you stay awake  Cerebellum  Back of brain, looks like a small brain or cauliflower  Function:  Walking and balance  Needed for short memory  Stores new information so it can become an almost automatic thing that you do not have to think about before you do it  Alcohol and weed affect these functions  Midbrain o Relatively small, sits on brain stem o Most of the things in the midbrain involve vision o Three parts  Tectum  Vision reflexes  Tegmentum  Vision reflexes  This gets triggered  Basically triggered whenever it wants you to remember an adaptive function  Reticular Formation  Arousal  Starts in the pons and extends into the midbrain  Forebrain o Everything else o Huge in comparison to the midbrain and the hindbrain o Has four different structure  Limbic System  This is a collection of structures working together for one purpose  Emotional part of your brain  Decides what emotion you feel and how you will react  Also has structures for learning and memories  Amygdala  Primary function for emotion  Fear and anxiety  Helps you remember what makes you fearful and anxious  Hippocampus  Learning and memory  Linked to amygdala because it will help you "remember" what is emotionally relevant to you  Hypothalamus  This is for body regulation  Any process in your body that needs to be regulates  In control of your sexual behavior  Called the "4 F's"  Feed, Flee, Fight and Mate…  Thalamus  All sensory information is routed through the thalamus  Known as the "Great relay station"  Most sensory information goes through the thalamus, it organizes it, then sends to cerebral cortex  This is the one place where all sensory information gets routed  If information goes to the thalamus but never gets put anywhere we are never aware of it  Unconscious processing  Basal Ganglia  Group of structures all involved in movement  Cerebral Cortex  The largest structure in brain surface  Wrinkles promote surface area  2 halves of the brain are completely separate  3/4 of your neurons are found here  The two halves can talk to each other because there is a "bridge"  Right Hemisphere  Deals with things such as  Spatial location  Faces  Music  Creativity  Art  And seeing units as a whole  Left Hemisphere  Deals with things such as  Logic  Mathematics  Verbal Skills  Conscious Awareness  The cerebral cortex has four different lobes  Each lobe has parts specialized to do certain things  Frontal Lobe  Has the motor cortex and prefrontal cortex  The prefrontal cortex is what gives you the ability to mature  Longest part to develop, it is still developing in us today  Temporal lobe  Has the auditory cortex  This is where sound information comes  It processes sounds  Occipital lobe  Has the visual lobe  This is where what you see has to travel  Longest travel time, from the front of you head all the way to the back  Parietal lobe  Has the somatosensory cortex  Touch, pain, itch  Anything sensation coming from the skin or tongue goes here  Cerebral cortex also has a contralateral organization  So, the opposite sides control your body  Left brain controls right side  Right brain controls left side  The corpus callosum is what connects the hemispheres  This is how they talk to each other  What happens if you cut the corpus callosum?  Your brain cannot communicate with each side, this influences the way you see things and words. You can be shown something but never be aware of it because the brain hemispheres cannot communicate


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