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UA - PSYCH 101 - Study Guide

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UA - PSYCH 101 - Study Guide

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background image Psych Study Guide Test 1 Chapter 1
What is Psychology?
The study of the mind, brain and behavior Roots of Psychology Structuralism: belief that conscious experience can be broken down 
into components
Functionalism: belief that the mind helps humans adapt to 
environmental demands
The Expansion of Psychology Biological Approach: focus on genetic, hormonal and neurochemical 
explanations of behavior
Psychoanalysis: innate drives of sex and aggression Cognitive psychology: innate mental structures such as perception and 
memory
Humanism: basic physical needs Behaviorism: all behavior is learned from the environment The Scientific Method Theory: interconnected ideas or concepts Hypothesis: scientific prediction  Research: conduct research, analyze data, record results Chapter 2
Neurons- the basic units of the nervous system
Three basic phases o Reception
o Integration
o Transmission
Reception Dendrite: branchlike extensions of neuron, picks up information from 
other neurons
Integration Cell Body: site where information is collected Axon: transmits information Glial cells: form myelin and provide support Myelin Sheath: made up of glial cells; insulates axons for faster 
movement
Node of ranvier: gaps of exposed axons, recharge signal Transmission Terminal Button: at end of axon; release chemical signals into synapse Synapse: gap between axon and sending neuron and dendrites of 
receiving neuron
background image Neurotransmitters: chemical substance that transmit from on neuron to
another
Receptors: protein molecules on post synaptic membrane Action Potentials Resting membrane potential: electrical charge when it isn’t active 
(polarized)
Action potential (neural firing): electrical signal that passes along axon 
and causes release of chemicals 
Excitatory signals depolarize (increase chance of firing) Inhibitory signals hyperpolarize (decrease chance of firing) Three things that can happen to a signal in a synapse 1. Message past 2. Reuptake 3. Enzyme deactivation All or nothing principle Chapter 3
The Brain Stem
Midbrain  Pons Medulla Oblongata  All for breathing, heart beating; survival instincts The Cerebral Cortex Outer layer of brain Site of all thoughts, perception and complex behaviors Has 4 lobes o Occipital
o Parietal
o Temporal
o Frontal
Corpus callosum: bridge of millions of axons, connects hemispheres  Neuron Structure Gray matter: neuron’s cell bodies White matter: mostly of axons and fatty myelin sheaths Frontal lobe: thoughts, planning, movement Temporal lobe: hearing, memory Occipital lobe: vision Parietal lobe: touch The cerebellum Role is in motor learning and motor memory Subcortical Structures Thalamus

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School: University of Alabama - Tuscaloosa
Department: Psychology
Course: Intro to Psychology
Professor: Tba
Term: Fall 2016
Tags: Psychology
Name: PY 101, Study Guide
Description: Study Guide for Test 1
Uploaded: 09/05/2016
4 Pages 44 Views 35 Unlocks
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