Unit 3

Biological Bases of Behavior 8-10% 3A: Neural Processing & the Endocrine System

3B: The Brain

3C:Genetics, Evolutionary Psychology, and Behavior

Study Tools

Unit Objectives

Essential Task 3-1. Identify the basic parts of the neuron (dendrites, cell body, axon, terminal buttons, synaptic vesicles, and receptor sites.) Neuron Diagram

Essential Task 3-2: Describe the electric process of neural firing (ions, resting potential, action potential, threshold of excitation, all-or- none law, sub-threshold excitations, sumnation, absolute refractory period, relative refractory period.)

Essential Task 3-3: Describe the chemical process of transmitting a signal between neurons with specific reference to the synapse (synaptic vesicles, synaptic cleft and receptor sites), neurotransmitters (excitatory and inhibitory), drugs (agonists and antagonists) and reuptatke.


Essential Task 3-4: Describe the function and disorders related to key neurotransmitters (serotonin, dopamine, endorphins, acetylcholine, GABA, and norepinephrine.) Neurotransmitter Chart

Essential Task 3-5: Describe the subdivisions and functions of the nervous system: Brain Diagram

I. Central Nervous System A. Brain i. Brain Stem Medulla, Pons, Reticular Formation, Cerebellum, & Thalamus

ii. Limbic System: Hypothalamus, Amygdala, & the Hippocampus

iii. Cerebral Cortex (Left and Right Hemispheres & the corpus callosum) Occipital Lobe, Parietal Lobe, Temporal Lobe, and Frontal Lobe Primary Motor Cortex and Primary Sensory Cortex, Wernicke's Area and Broca's Area

B. Spinal Cord

II. Peripheral Nervous System

A. Somatic Nervous System

B. Autonomic Nervous System i. Sympathetic Nervous System (Fight or Flight) ii. Parasympathetic Nervous System (Rest and Digest)

Essential Task 3-6: Detail historic and contemporary research strategies andtechnologies that support research (case studies like Phineas Gage, split-brain research, sleep research (EEGs), structural imaging (CAT Scans and MRIs), and functional imaging (PET scans and fMRIs).

Essential Task 3-7: Identify key glands of the endocrine system and describe their effects on behavior

Essential Task 3-9: Explain key behaviors that evolutionary psychologists believe exist because of their adaptive value.

Essential Task 3-8: Explain how heredity and environment work together to shape behavior with specific attention to hereditability and gene-environment interaction.

Essential Task 3-9: Explain key behaviors that evolutionary psychologists believe exist because of their adaptive value.

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