PSY 3 BOOK NOTES - PSY 3 BOOK NOTES Pg 5-9 Brain is made up...

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03:19 PSY 3 BOOK NOTES Pg 5-9 Brain is made up of  Neurons  – cells that receive and transmit electrochemical  signals. Neuroscience  – the scientific study of the nervous system Brain Localization  – concept that specific brain regions are responsible for  various types of experience, behavior, and psychological processes Neuron Doctrine  – hypothesis that the brain is composed of separate cells that  are distinct structurally, metabolically, and functionally. Pg 27-33 Mind Brain Issue – Debate over existence of a mind independent of the brain Cartesian Dualism – Human brain and mind are separated Asomatognosia – deficient in self awareness Monism – mind as product of neural activity Nature-Nurture Issue – Is behavior inherited or acquired through learning Ethology – the study of animal behavior in the wild
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Neuroanatomy 03:19 Vertebrate Anatomical Directions
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Neuroanatomy 03:19
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Neuroanatomy 03:19 The Spinal Cord Inner grey matter, outer myleinated white matter
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Neuroanatomy 03:19 Dorsal Root Axons are Afferent (sensory) unipolar neurons with a dorsal root  ganglia Ventral Root Axons are Efferent (motor) multipolar neurons with cell bodies in the  ventral horns Divisions of the Brain     Telencephalon Cerebral Cortex  - Large convoluted fissures, small sulci ridge between  gyri. o Neocortex o Hippocampus - memory Major Fissures o Central, Lateral, Longitudinal Major Gyri o Precentral Gyrus – motor cortex for voluntary movement o Postcentral Gyrus – somatosensory cortex, processes things we feel. o Superior Temporal Gyrus o Cingulate Gyrus – association cortex involved in decision making,  monitoring behavior, and directing attention. Four Lobes o Frontal – motor control, reasoning, language production, inhibitory control,  working memory o Temporal – auditory processing, language comprehension, object  recognition o Parietal – somatosensory, spatial attention o Occipital – visual processing Limbic System – circles thalamus, regulates flight feed flee fuck o Amygdala - emotion o Hippocampus - memory o Fornix o Cingulate Cortex o Septum o Mammillary Bodies
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Neuroanatomy 03:19 Basal Ganglia – made of nuclei, sub cortical, motor control and voluntary  movement o Amygdala - emotion o Striatum Caudate Putamen o Globus Pallidus Cerebreal Commissures o Corpus Callosum – connects the hemispheres Diencephalon Thalamus – relay site for sensory processes to cortex, 2 lobes top of brain  stem o Massa intermedia – conjoins two lobes of thalamus o Lateral geniculate nuclei Hypothalamus – implicated in hunger, thirst, temp reg, reproductive  behavior, aggression. Anterior to thalamus o Mammillary bodies – inferior side hypothalamus
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