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Neuroscience Disciplines

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Presentation on theme: "Neuroscience Disciplines"— Presentation transcript:

1 Neuroscience Disciplines
Neuroanatomy Neurochemistry Neuroendocrinology Neuropathology Neuropharmacology Neurophysiology BIOPSYCHOLOGY

2 Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus

3 Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus

4 MIDBRAIN Mesencephalon Tectum Tegmentum Periaqueductal Gray HINDBRAIN Metencephalon Cerebellum Pons Myelencephalon Medulla Oblongata

5 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?

6 Members of Society for Neuroscience - Departmental Affiliations
Department Percentage of Sample Psychology Physiology Pharmacology Biology Anatomy Neurology Psychiatry Neuroscience-biology Neurosurgery Pathology

7 Divisions of Biopsychology
Physiological Psychology Manipulations of nervous system in controlled experimental settings Laboratory animals “Pure” or “basic” research

8 Psychopharmacology Drug effects on behavior and how these effects are mediated “Applied” research - purpose to develop therapeutic drugs

9 Neuropsychology Effects of brain damage on human behavior
“Applied” research to help those afflicted with behavioral disorders

10 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

11 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

12 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

13 Research approaches used in Biopsychology

14 Somatic Intervention Bodily Intervention Behavioral Effect
Examples Examples Administer hormone Measure Mating Stimulate Brain Area Measure Aggression Local Brain Damage Measure Memory

15 Behavioral Intervention
Somatic Effect Behavioral Intervention Examples Examples Measure Hormones Female with Male Measure Brain Activity Memory Task Measure Brain Anatomy Altered Rearing

16 Correlational Studies
Somatic Variables Behavioral Variables Examples Examples Brain Size Learning Scores Hormonal Levels Strength of Mating

17 Why does one study the biological basis of behavior?

18 Brain Function and Behavior Early Theories

19 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

20 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

21 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

22 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

23 Types of Synapses Axodendritic Axosomatic Axoaxonic

24 Neuroglial Cells Peripheral Nervous System Schwann Cell
Central Nervous System Oligodendroglial Cell Astrocyte Microglia

25 Brain Anatomy - Three Divisions
FOREBRAIN Telencephalon Cerebral cortex Basal Ganglia Limbic System Diencephalon Thalamus Hypothalamus

26 MIDBRAIN Mesencephalon Tectum Tegmentum Periaqueductal Gray HINDBRAIN Metencephalon Cerebellum Pons Myelencephalon Medulla Oblongata


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