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PSY-102 Week Two Notes

by: Kristine Luengas

PSY-102 Week Two Notes PSY 102

Marketplace > Grand Canyon University > PSY 102 > PSY 102 Week Two Notes
Kristine Luengas

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About this Document

These notes go over Chapter two
General Psychology
Laura Terry
Class Notes
Psychology, neuroscience, behavior, nervous system, cerebral cortex
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This 3 page Class Notes was uploaded by Kristine Luengas on Wednesday September 21, 2016. The Class Notes belongs to PSY 102 at Grand Canyon University taught by Laura Terry in Fall 2016. Since its upload, it has received 4 views.


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Date Created: 09/21/16
PSY-102 Chapter 2: Neuroscience and Behavior  Biopsychologists o Behavioral neuroscientists o Considering the ways which neology structures and functions of body affect behavior  Neurons o Nerve cells; basic elements of nervous system o Receive “messages” from light, other neurons, and pressure on skin  Synapse o Gap between dendrite and axon o Space between two neurons where axon of sending neuron communicates with dendrites of receiving neuron with chemical messages.  Resting State o Not responding, negative electrical charge  Action Potential o Conduction of electrical neural impulse along axon o Trigger changes charge from negative to positive Electrochemical messages travel from within neurons  All-or-None Law o Every time a neuron fires, transmits impulse of same strength  Mirror Neurons o Fires when a person enacts a behavior/simply observes another individual carrying out particular behavior. The Nervous System  Spinal Cord o Transmitting messages between brain and body  Sensory Neurons o Transmits information from perimeter of body to central nervous system  Electroencephalogram (EEG) o Records electrical activity in the brain through electrodes placed on the outside of the skull.  PET Scan o Shows biochemical activity within the brain  Functional Magnetic Resonance Imaging (Fmri) o Third computer-generated image of brain structure and activity by aiming a powerful magnetic field at the body Cerebral Cortex  Frontal Lobes o Concerned with reasoning, planning, parts of speech, and movement, emotions, and problem solving  Parietal Lobes o Perception of stimuli related to touch, pressure, temperate, and pain  Temporal Lobes o Perception recognition of hearing and memory  Occipital Lobes o Concerned with vision  Hemispheres 2 o Left and right; each controls motion and sensation in opposite sides of the body, don’t act independently; functions overlap and respond similarly 3


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