PSY 12000 Chapter Notes - Chapter Chapter 3: Substantia Nigra, Auditory Cortex, Phineas Gage
23 Oct 2018
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Document Summary
Neuron: a specialized cell that conducts impulses through the nervous system and contains three major parts . 4, terminal button: nub at the end of axon. Neural communication: transmission of info between neurons occurs across synapse. Electrical synapse: the pre-synaptic and post-synaptic neurons are linked together by ap junctions at the synapse. feature of developing fetal brain. most convert into chemical synapses prior to birth. mature brain only has a few electrical synapses. Understand and identify some key neurotransmitters and their link to certain diseases. Imbalances of acetylcholine are linked to alzheimer"s disease. Imbalances of serotonin are linked to depression, anxiety & eating disorders. Imbalances of dopamine are linked to schizophrenia & parkinson"s disease. Understand the functions of the hindbrain (brainstem), midbrain and forebrain. The brainstem (the hindbrain): medulla and pons: Controls vital automatic functions (heart beat, breathing) Relays physiological messages from hindbrain to cognitive functions of the forebrain (connects sensations to thoughts)
