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Anatomical & Physiological Basis in Psychology

Anatomical & Physiological Basis in Psychology. Dr: Amir El-Fiky. This lecture explores behavior from the biological point of view. Of particular interest are the brain and nervous system. The Neuron: The Building Block of the Nervous System:. Nucleus Synaptic cleft.

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Anatomical & Physiological Basis in Psychology

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  1. Anatomical & Physiological Basis in Psychology Dr: Amir El-Fiky

  2. This lecture explores behavior from the biological point of view. Of particular interest are the brain and nervous system.

  3. The Neuron: The Building Block of the Nervous System: Nucleus Synaptic cleft

  4. Three basic kinds of neurons are (1) sensory, (2) association, and (3) motor. When a neuron releases neurotransmitters it is called ”Depolarization”. When a neuron depolarizes, it alternates from (1) a resting negative electrical potential to (2) a positive electrical potential, and (3) returns to a negative electrical potential again.

  5. A nerve is a bundle of axons. Think of the axons as thin rope fibers and the nerve as the thick rope itself. Nerves are identified as afferent or efferent. Afferent nerves move toward an objective. Efferent nerves move away from a source.

  6. The Nervous System: The Body’s Communication Network The Nervous System Peripheral Central Autonomic Somatic Sympathetic Parasympathetic

  7. The Brain: The Chief Executive Officer (CEO) of the Organization: • Spinal cord. • Brain stem. • Cerebellum. • Hypothalamus. • Thalamus. • Cerebral cortex.

  8. The Two Hemispheres of the Brain: • Does the Right Side Know What the Left Side is Doing? • The right hemisphere mediates nonverbal patterning (sometimes called the “romantic” hemisphere). • The left hemisphere mediates verbal and mathematical thinking (sometimes called the “logical” hemisphere)

  9. Sensation: Studying the Gateways of Experience: • Sensation refers to the raw data of experience. • Psychology considers it important to study the process of sensation, the basic process by which we obtain information about external reality.

  10. THANK YOU

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