Unit 3. Seminar - Attend the seminar or complete the option 2 seminar assignment Discussion...
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Transcript of Unit 3. Seminar - Attend the seminar or complete the option 2 seminar assignment Discussion...
Unit 3
Seminar - Attend the seminar or complete the option 2 seminar assignment
Discussion questions address the following: 1) electrochemical and chemical components affecting our
thoughts, behaviors, and emotions; and 2) what
happens when parts of the brain fail. Remember to provide 150 minimum
word responses to both questions and
provide 2 fifty word responses to students. To receive full credit, post
responses by 11:59pm EST on Tuesday.
What is a Neuron? Parts of the Neuron
Cell Body DendritesAxon Myelin Sheath Terminal Branches Synapse
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Glial cells Support cells
Types of Neurons Sensory
neurons Motor neurons Interneurons
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Action potential Threshold Myelin
and Nodes of Ranvier
Refractory period
Drugs work by interfering with synaptic transmission
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Organization of the Nervous System Central (brain & spinal cord) Peripheral▪ Somatic▪ Autonomic▪ Sympathetic▪ Parasympathetic
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Part 1: Hindbrain Medulla Reticular formation Cerebellum Pons
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Part 2: Midbrain Tectum Tegmentum
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Part 3: Forebrain Cerebral cortex Subcortical
structures▪ Thalamus▪ Hypothalamus▪ Pituitary
gland▪ Hippocampus▪ Amygdala
Frontal LobeParietal LobeTemporal LobeOccipital LobeAssociation
Areas Corpus
Callosum
GenesChromosomes Monozygotic and Dizygotic Twin
Studies Heritability
Phineas Gage story
Right and Left hemispheres
Electroencephalogram (EEG)
Computerized axial tomography (CT)
Magnetic resonance imaging (MRI) Dr. Riley’s MRI of her neck
Positron emission tomography (PET)
Functional magnetic resonance imaging (fMRI) Detects oxygenated
hemoglobin and provides a picture of the level of activation in each brain area