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Neuroscience Disciplines
Neuroanatomy Neurochemistry Neuroendocrinology Neuropathology Neuropharmacology Neurophysiology BIOPSYCHOLOGY
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Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus
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Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus
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MIDBRAIN Mesencephalon Tectum Tegmentum Periaqueductal Gray HINDBRAIN Metencephalon Cerebellum Pons Myelencephalon Medulla Oblongata
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Biopsychology The discipline of neuroscience that attempts to discover how the various neural phenomena studied in the other disciplines control behavior. Example: Sleep Behavior What brain structures are responsible for sleep? What is the chemical content of the structures? What drugs promote sleep?
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Members of Society for Neuroscience - Departmental Affiliations
Department Percentage of Sample Psychology Physiology Pharmacology Biology Anatomy Neurology Psychiatry Neuroscience-biology Neurosurgery Pathology
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Divisions of Biopsychology
Physiological Psychology Manipulations of nervous system in controlled experimental settings Laboratory animals “Pure” or “basic” research
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Psychopharmacology Drug effects on behavior and how these effects are mediated “Applied” research - purpose to develop therapeutic drugs
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Neuropsychology Effects of brain damage on human behavior
“Applied” research to help those afflicted with behavioral disorders
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Psychophysiology Study of the relationship between physiology and behavior in humans Non-invasive procedures taken from the body surface Strive to understand the physiology of basic psychological processes such as information processing, emotion
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Cognitive Neuroscience
The neural basis of cognition including thought, attention and memory Human research involving non-invasive human brain imaging techniques Involves interdisciplinary collaboration among neuroscientists
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Comparative Psychology
Comparison of behavior of different species Focus on genetics, evolution and adaptiveness of behavior brain differences that contribute to behavioral differences among species
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Research approaches used in Biopsychology
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Somatic Intervention Bodily Intervention Behavioral Effect
Examples Examples Administer hormone Measure Mating Stimulate Brain Area Measure Aggression Local Brain Damage Measure Memory
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Behavioral Intervention
Somatic Effect Behavioral Intervention Examples Examples Measure Hormones Female with Male Measure Brain Activity Memory Task Measure Brain Anatomy Altered Rearing
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Correlational Studies
Somatic Variables Behavioral Variables Examples Examples Brain Size Learning Scores Hormonal Levels Strength of Mating
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Why does one study the biological basis of behavior?
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Brain Function and Behavior Early Theories
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Localizationist Theory
1800ff. - Gall, Spurzheim Brain is not a unitary organ Cerebrum is a mosaic of centers Each center has a specific mental function Centers developed in size as a function of use Centers produced protuberances on skull surface Anatomical Personality or Phrenology
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Aggregate Field Theory
Flourens: Lashley Specific mental functions are not localized Brain acts as a whole for each function Any part of cerebral cortex is capable of performing all functions
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Cellular Connectionism Theory
Wernicke: Broca Simple mental functions are discretely localized to single cortical areas The areas for these simple functions are interconnected Complex mental functions arise from interactions among several of these areas
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TERMINOLOGY Micron - one thousanth of a millimeter Soma or Perikaryon
Nissl stain Endoplasmic reticulum (Nissl bodies) Golgi Apparatus Microtubules Neurofilaments Dendritic spine Axon Collaterals Synaptic vesicles Active zones
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Types of Synapses Axodendritic Axosomatic Axoaxonic
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Neuroglial Cells Peripheral Nervous System Schwann Cell
Central Nervous System Oligodendroglial Cell Astrocyte Microglia
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Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus
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MIDBRAIN Mesencephalon Tectum Tegmentum Periaqueductal Gray HINDBRAIN Metencephalon Cerebellum Pons Myelencephalon Medulla Oblongata
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