Welcome to Introduction to Biopsychology PSY 225

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Presentation transcript:

Welcome to Introduction to Biopsychology PSY 225

Biopsychology & Neuroscience Scientific study of the nervous system Interdisciplinary Biopsychology Chemistry Physics Genetics Computer Science and more!

Biopsychology Some alternate names: Physiological Psychology Psychobiology Behavioral Neuroscience, etc. Controlled manipulation of nervous system of animal subjects under controlled conditions Focus on behavior ~

Behavior Responses made by organisms to adapt to changing environment Anything objectively measurable change also... cells molecules ions ~

Regulation of Behavior Behavior: function of specialized cells sensory transduction neurons info processing effectors muscles glands ~

Neurons Basic functional unit of Nervous System information processing Transmits Integrates Stores Regulation behavior homeostasis ~

Shorthand for neuron synapse + = excitation - = inhibition ~

A model of behavior + + + + Effector Sensory Interneuron Cell Motor

- + A model of behavior + + + + feedback Positive - excitatory (+) Negative - inhibitory (-) ~

SYSTEM ACTIVITY Maximum Minimum REGULATION - normal range + + +

Neurons & Behavior Neural activity  behavior Alter neural communication Within & between Alter behavior including... consciousness, emotions, perceptions Biopsychology Neural mechanisms controlling behavior ~

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