Introductory Psychology Open Course: Unit 3

Biological Bases of Behavior

In this unit we'll look at the basic building blocks of communication within the body, which are neurons and neurotransmitters, then we'll look at the brain's key structures and their functions, and how researchers attempt to understand the role of genes in shaping behavior.

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The parts of a neuron & their functions

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How messages travel within a neuron

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How messages travel between neural synapses

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Processes that occur after neurotransmitter release

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Introduction to key neurotransmitters and their associated functions

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How other chemicals can influence neurotransmitter release

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The divisions and subdivisions of the nervous system

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How early researchers attempted to study brain function

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Introduction to brain scanning; EEG, CAT, MRI, PET, fMRI, & DTI

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Structure of the hindbrain and their functions

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Structure of the midbrain and their functions

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The subcortical structures of the forebrain and their functions

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The cerebral cortex and associated functions of each lobe of the brain

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Split-brain patients and severing the corpus callosum

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Concepts for discussing genetics and shared genes

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What a heritability score indicates about the role of genes

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Examples of chromosomal abnormalities & molecular genetics

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Test Your Learning

Practice questions for Unit 3: Biological Bases of Behavior

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Additional Resources: