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PSYC 2015 - Professor Wu - Week 1 of Notes - GWU

by: Nikita Shah

PSYC 2015 - Professor Wu - Week 1 of Notes - GWU PSYC 2015

Marketplace > George Washington University > Psychlogy > PSYC 2015 > PSYC 2015 Professor Wu Week 1 of Notes GWU
Nikita Shah
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Biological Psychology
Wu, G

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About this Document

Covers Lecture 1 and 2 of the first week
Biological Psychology
Wu, G
Class Notes
Biological Psychology Notes




Popular in Biological Psychology

Popular in Psychlogy

This 0 page Class Notes was uploaded by Nikita Shah on Sunday January 24, 2016. The Class Notes belongs to PSYC 2015 at George Washington University taught by Wu, G in Fall 2015. Since its upload, it has received 24 views. For similar materials see Biological Psychology in Psychlogy at George Washington University.


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Date Created: 01/24/16
PSYC 2015 Biological Psychology Professor Wu Week 1 Lecture 1 Notes Monism The mind is the result of activity in the brain 0 Therefore the mind can be studied scienti cally 0 Ex Personality is explained by the neurons in the brain m o The mind is nonphysical and the body is material 0 The mind in uences behavior through the brain 0 Ex Personality is an aspect of the Mind which cannot be explained by the physical self brain body What is Psychology quotThe study of the description explanation modi cation and prediction of human and animal beha vior What is Biological Psychology quotThe application of physiological genetic evolutionary and developmental mechanisms of beha viors Biological explanations of behavior fall into 4 categories 1 Physiological l relates a behavior to the activity of the boy 2 Ontogenetic l describes the development of a behavior 3 Evolutionary l reconstructs evolutionally history of a behavior 4 Functional l describes why a behavior functions as it does 0 We can study the brain by using brain imaging 0 We can use physiological molecular cellular and genetic methods to study a single neuron Policy and Guidelines for Research 0 Institute Animal Care and Use Committee 0 Institutional Review Board used for human research The 3 R s 1 Reduction number 2 Replacement model 3 Re nement procedure Optogenetics using light to change behavior mice experiment PSYC 2015 Biological Psychology Professor Wu Week 1 Lecture 2 Notes Anatomy of the Nervous SystemPeripheral Nervous System Foramen Magnum where the brain and spinal cord meet Spinal cord enters skulls through this Neuroaxis the angel at which your body connects your brain and your spinal cord 0 Humans 90 degrees 0 Cats and Dogs are pretty horizontal 180 degrees Dorsal or superior Caudal or posterior Rostral 77 oranterior Ventral or inferior quot Nieuraxis rSpinal cord Brain Rostral or anterior Ventral or 39 inferior quot Caudal or posterior Lateral l Lateral pMedialaui Contralateral Opposite sides of the midline lpsilateral Same side of the midline Coronal Plane plane at which the brain is slices in half verticaly Sagittal Plane separate from the left side and the right side Horizontal axial divides the brain horizontaly Central Nervous System Brain and Spinal Cord Peripheral Nervous System Connects the brain anol spinal cord to the rest of the body 1 Somatic Nervous System consists of axons conveying messages from the sense organs to the CNS and from the CNS to the muscles 1 Cranial Nerves Enter and exit the brain directly to serve the region of the head and neck 2 Spina l Nerves 31 pairs of spinal nerves exit the spinal cord to provide sensory and motor pathways to the torso arms legs 2 Autonomic Nervous System Manages the vital functions of the body without conscious effort or awareness controls the heart intestines and other organs Has some cell bodies Within th e brain or spinal cord or in clusters along the sides of the spinal cord sends and receives messages to regulate the automatic behaviors the body heart rate blood pressure digestion respiration rate etc 1 Symp veget organ athetic Nervous System also called the visceral ative or involuntary nervous system prepares the s for rigorous activity mostly uses norepinephrine except sweat gland which uses acetylcholine I ii iii iv v Heart rate increases Respiration increases Blood pressure increases Digestion decreases Flight for fightquot response 1 Ex If you are walking in a dark alley at night and you hear someone walk behind you 2 Parasympathetic Nervous System facilitates vegetative nonemergency response opposite of sympathetic Comp spinal rised of long preganglion axons extending from the cord and short postganglionic bers that attach to the organs themselves Postganglionic axons of the parasympathetic nervous system mostly release acetyl iv choline as a neurotransmitter Heart rate decreases Respiration decreases Blood pressure decreases Digestion increases 1 Ex If you are watching tv and relaxing Dominant during our relaxed state The Somatic Nervous System Spinal Nerves Spinal Cord where peripheral meets central Bell Magendie Law entering dorsal roots carry sensory information and exiting central roots carry motor information Dorsal Root Ganglia Cell bodies of the sensory neurons are located in th e cluster of neurons outside of the spinal cord Gewieel vertebrae Thereele vertebrae 39 I of Nerves in the Spline Cervical Nerves 8 Thoracic 12 Lumbar 5 Sacral 5 Ceceygeal 1 Lumber vertebrae Sacral 1rarertebrae l itueed Ceeeyx The Spinal Cord is made up of gray matter and white matter 0 Gray matter located in the center of the spinal cord and is densely packed with cell bodies and dendrites 0 White matter composed mostly of myelinated axons that carries information from the gray matter to the brain or other areas of the spinal Cranial Nerves Convey sensations from the head to the brain 0 Control muscles in the head Regulate activities of some internal organs via parasympathetic systems The Hindbrain contains hindbrain midbrain and forebrain Consists of the medulla pans and cerebellum Medulla responsible for vital re exes such as breathing heart rate vomiting salivating coughing and sneezing 0 Ex This explains how people in a coma are still alive Cerebellum structure in the hindbrain with many deep folds help regulate movement balance and coordination important for shifting from visual to auditory sensory information 0 Ex If you are walking down the street and then suddenly you heara crash behind you shifts from visual to auditory


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