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Psychology 1101 Week 1-3

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by: Natalie Neugebauer

Psychology 1101 Week 1-3 PSYC 1101

Marketplace > Georgia State University > Psychlogy > PSYC 1101 > Psychology 1101 Week 1 3
Natalie Neugebauer

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About this Document

In class notes on first three weeks of lectures.
Intro to General Psychology
Dr. Tim Flemming
Psychology, King
75 ?




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1 review
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"Great notes!!! Thanks so much for doing this..."
Retta Reilly

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This 3 page Bundle was uploaded by Natalie Neugebauer on Friday January 22, 2016. The Bundle belongs to PSYC 1101 at Georgia State University taught by Dr. Tim Flemming in Winter 2016. Since its upload, it has received 62 views. For similar materials see Intro to General Psychology in Psychlogy at Georgia State University.


Reviews for Psychology 1101 Week 1-3

Star Star Star Star Star

Great notes!!! Thanks so much for doing this...

-Retta Reilly


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Date Created: 01/22/16
01/21/16 Brain “Adaptive brain is wired by experience!” “Neurons that fire together, wire together” Plasticity –Capacity for change - reorganization -Neurogenesis –birth of neurons Neurons Cell body (keeps cell alive), dendrites (branching extensions, receiving message from previous/other – “listening”), axon (long fiber, sending signal – “speaking”), axon terminal (endpoint of one neuron, end of electrical signaling), myelin sheath (insulation to protect the axon, preventing loss of ions important in sending the electr. signal – lipids/fats) Action Potential (Na+/K-) 1) Resting Pot –up Na+ outside, up K- inside = +outside, -inside: Polarized –not balanced in charge -speeds up signaling 2) Depolarization – Na+ pumps open & Na+ ions enter cell 3) Repolarization – K channel opens & Na+ ions exit cell # -imbalance in charge 4) Refractory Pol. = resting potential Transduction – transforms energy from the environment into 1 st electrical impulse - Adjust to surroundings - Changes to 1)survive 2)reproduce  “Fit” your environment - Behave successfully  learn -Neurons communicating with each other -Axon Terminal, Synapses (=gap between two neurons), Neurotransmitters (=chemicals), Synaptic Vessels (=membranes surrounding NT) -Excitatory NT (sending chemical signals) –Agonist (-artificial molecules) -Inhibitory NT (slow down/stop chemical signals)–Antagonist (-molecule that mimics inhibitory NT)  Postsynaptic Dendrite receptors “pick up” NTs 1 electrical charge – Sensory Receptor - chemical – smell & taste - light – sight - sound – hearing - mechanical – touch 01/26/16 CHAPTER 2 Brain Anatomy Phineas Gage – personality, irritable/ moody, lazier, trickster/ liar, illogical Lobes: - Frontal (Frontal / Pre-Frontal Cortex) – Emotional regulation thinking, planning, decision-making, higher-level reasoning: inhabitation of behavior, executing movement - Temporal – Auditory Cortex -Hearing - Partietal – Somatosensory Cortex - Bod Senses, touch, planning movement - Occipital – Visual Cortex – Early visual processing Mapping the Motor Cortex 1. Location – particular region of cortex dedicated to specific body parts 2. Size – amount of cortex relative to complexity movement & overall importance of that body part “Older” Brain Structures – Early - Evolutionary Brainstem – Life functions responsible for heart rate, digestion Thalamus – Sensory Relay Limbic System - Border - Amygdala – emotion (processing) - Hypothalamus – re-ward circuit - Hippocampus – memory formation - learning Hemispheric Specialization Corpus Callosum - communication between hemisphere “Split Brain” – severed Corp.Call  Left Hemisphere - R visual field - R side of body - Speech CHAPTER 3 Sensation (Detect) & Perception (Interpretation) Vision = detection of light energy - wavelength - amplitude Retina - Rods- - Cones-  Trichometric Color Theory Blindspot Retinotopic Mapping


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