Notes And Study guide from First test
Notes And Study guide from First test PSYC2070
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This 5 page Bundle was uploaded by Maddie Rapp on Thursday October 8, 2015. The Bundle belongs to PSYC2070 at The University of Cincinnati taught by Dr. Sheila Flemming in Fall 2015. Since its upload, it has received 23 views. For similar materials see Biopsychology in Psychlogy at The University of Cincinnati.
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Date Created: 10/08/15
PSYC 2070 Study Guide for Exam 1 Lecture 1 The types of questions a biological psychologist asks about behavior How does brain and organs create behavior physiology Why are structures involved function How do behaviors develop ontogenetic How do behaviors evolve evolution Use of animals when conducting research value in themselves reduction fewer replacement re nement reduce pain animal welfare research reevaluated research no assumptions pain doesn t equal pain ethics with animal care no animals harmedquot Lecture 2 CNS brain and spinal cord 3 lbs Two types of brain cells neurons and glial Neurons Cell structure plasma membrane can pass NA Chloride K CA mitochondriaATP power house ribosomes protein building axon myelin sheathsignal conduction dendrite receiving structure axon output information oli CNS schwamm PNS node of ravierasodium channel afferentinward sensory efferent ouward motor presynaptic terminalsgap between dendrite and axon Glial structure support and nutritions astrocytes in the presynaptic gap waste clean up and blood ow microglia clean up and immune system and viruses and fungi Oligodendrocytes and schwamm glial readial glialmigration in development Basic functional divisions of the cortex Parietal touch Primary Somotisensory cortex Fronta reasoning occipita visual cerebelum motor Sordiu mycnannel39339 39 leeses quot quot tempora hearing 40 Nemale Ramon y Cajal 1St for to silver salt stain E n i iSNSJl infant brain VELSSEE HFES 3 I causes membrane potential to return to resting level K channels 77 77 openK begins the leave cell neurons separate from each other Na channels open Ma begins to enter cell It 7 m m Threshold of Extra K outside excitation diffuses away Membrane potential mV Kf channels close Na channels reset Lecture 3 Synapse Action potential ABOVE Step 1 Sodium channels open rst and sodium goes into the cell Step 2 Potassium starts to leave the cell Step 3 Sodium channel becomes refactory and no more sodium is able to enter the cell Step 4 Potassium continues to leave cell and causes membrane to return to resting levelpoi Step 5 Potassium channels close and the sodium channels reset Step 6 The extra potassium outside of the cell diffuses away n synapi vesicles E 39 nIIiruii tran5mii dendrites Synapse synaptic events Sherrington different then neurons Flow of info is electrical Synaptic is chemical When reach the synapse Ca positively charged ions Become vesticule l neurotransnmitterl cleft l connect with receptors on dendrite Plasticity the changing brain the way that neurons Communicate via neurotransmitters when learning and Form memories Connections with neurons Alziemer s cause why this happens Our expierences form our brains and our postsynapses Max plasticity in children learning new language when young Lecture 4 Anatomy of nervous system Views of the brain coronal front to back sagittal middle split horizontal separate from top to bottom Characteristics of the brain gyrus output part sulcusfolds and grooves ssures major sulcus grey matter cell bodies and dendrites white matter mylinated axons Sympathetic Flight or ight Higher Breathing rate and lower digestive activi Neurotransmitter norepinephrine Midlbrain fifti Hlindlbrain F like 39 R Ili 4quot parasympathetic Nonchm High digestive rate Low breath rate Divisions of the brain Forebrainprosencephalon largest 2 parts 1diencephalon thalamus switchboard hypothalamus motivating behaviors feeding sleeping sexual arousal drinking 2 Telencephalon hippocampus memory and learning basal ganglia initial of movement basal forbrain arousal and attention Limbic system in both Midbrain mesencephalon tectum Sup Colliculus visual orien lnf Colliculus auditory orientegmentum motor and attention and motivation and some automatic part of brainstem Substrantia Nigra motor function more grey matter better working Hindbrain most of brain stem medulla myelencephalon lifeline breathing heartrate metencephalonponssleep wake cycle cerebellum motor functioning drunk Limbic system cinguate gyrus midpart above corpus coosum split hypothalamus motivated behaviors hippocampus memory learning oifactoy bulb smell amygedala emotions 39 Ventricles cerebra uid central canal spinal cord atera large 2 interventricular forarm connect third aqueduct of midbrain 4 reach spinal cord Meninges membranes that s 39rfar ibf ft39d brain bas lr glegord Medulla oblongata Spinal cord Ventricular system lateral view ELluLaliuii m Ernie Herve GenquotInert Funetien 4 layers outside in II We aim S ku I I III Deull mut r Eye m wm t W Tneehlleer Eye Illlleuement dura ha rd 2 layers V Tri eminell Feee ererieiairmll meter VI h ui E Eye Memement 3 a ra C h n Old Vllll FEE ll Feee expreee en V V V anal eeneery C I I nerves 1liilquotlllll VEE tlhull i hllea Hearinrig ni Helenquotlee ra n I a m Gl es e rwe el 39lll39eriue lril Tiltreat a La minae in cortex meter and E E f l 6 layers m Fereeirmpeihet e s I necessary Heed meek elliieul er differ in thickness In eac mrwemenll e ewelllewin Lobes ABOVE llll Hyp eleseel sapneeaeh Ellnew n en Ewalll wirig Lecture 5 Two views of the ventricles which are filled with cerebrospinal uid Ventricles of the Brain Lateral ventricle nterventricular foramen Third ventricle Ventricular system anterior View Ernie Exit lapel ing E39rillaarifer rn F Ierlte ef the EtIliirne Dp ie Fearemen Superier Drh ltll Fieeur e su erier rewall Fieeure Superier Drh ltll Fieeure Eau erier menu Fieeur e Slty39lemeeteil l Feramen Internal Aenuetie Il learltue dimmer Fearernen dimmer Fearernen Juguler Feremen Hypegileeeell Gene Bell s Palsy paralyse of facial nerves 7th cranial facial nerve cause viral infection Brain development principles proliferationcreating migration movement away from creation zone differentiation commit t nerural transmitters and connection with other neurons Brain development begins E14 STARTS WITH STEM CELLS Pluriponent can create a line of cells Completed by E18Gastrulation undifferentiated 3 germ layers 1 Ectoderm 2 Mesoderm 3 Endodermneural plate Begins E18 Ends E28 Neurulation neural tube main primitive nervous system Three layered structure trilaminar disc Proliferation proliferative zones 1Ventricuar zone around lateral ventricles 2 Subventricular zone adjacent to ventricular zone 3 Ganglionic eminences this area will become basal ganglia Before formation during gastrulation shaping embyo begins to elongate bending contracting and apoptosis programmed cell death closure skin grows over with middle layer after completion Forebrain Midbrain Hindbrain Most neurons generated in 2nOI trimester 200000 cells each minute at peak Cortex vertical thickness conserved across species Neuronal migration 1Ventrice zone 2 interneurons 3glial Both in subventricular and ganglianic Neuronal Migration Soma small radia glial locomotion dominant produce new neurons tangentia leaving ganglionic eminences Neocortex 6 laminea Overgrowth and pruning postsynaptic strengthens in places so pruning begins no stimulation pruning begins if not active synapses die Courchesne article neuron counts in the PFC in autistic brains more neurons in prefrontal cortex in Autistic children compared to control group dead Ages 2 to 16 2 strategies by anatomologist All males More brain weight Dead Vaccines War movie Need information not just listen to celebs Correct information Corps but want to help Need to do research
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