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35 Cards in this Set
- Front
- Back
HindBrain |
Pons, Cerebellum and Medulla |
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Pons |
Sleep/Wake Cycle
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Cerebellum |
4 Motor Coordination/Control |
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Pia Matter Dura Matter
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Pia - Inside Dura - Outside
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Arachnoid Membrane
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Between pia and dura matter |
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Mid Brain |
Superior colliculi, Inferior Colliculi, Substantia nigra, Reticular formation, |
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Superior Collicuri |
Visual orienting, motion detection |
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Inferior collicuri |
Sound localization |
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Substantia Nigra |
When damaged = Huntington's disease |
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Reticular Formation |
Involved with sleep, arousal and temperature
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Limbic Structures |
Amygdala, Hippocampus, cingulate gyrus, olfactory bulb |
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Amygdala |
Involved with emotion regulation, perception of odor |
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Hippocampus |
Learning
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Olfactory |
Smell |
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Cingulate gyrus |
Attention /conflict |
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"What" Pathway
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Occipital to ventral -> What object seen
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"Where" Pathway |
Occipital to Dorsal -> Where object seen |
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Neurotransmitters |
Otto Loewl: Identified ACH |
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ACH |
1st neurotransmitter discovered Found with frog hearts
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Agonists |
enhance actions of neurotransmitters |
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Antagonists |
blocks receptors |
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Pre synaptic alteration of drugs |
alter axon conduction |
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Action potential |
Rapidly reverses resting membrane potential from a negative to a positive charge |
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Local Potential |
Graded potential
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Action Potential |
All or none |
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Building stage |
Depolarization, threshold, sodium influx, potassium influx, |
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Relaxing Stage |
Peak, Repolarization, Hyperpolarization, sodium potassium pump kicks in |
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Synaptic Cleft |
A gap that separates membranes |
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Ca ++ Influx |
Terminal membrane opens and allows Ca ++ to enter |
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Exocytosis |
Release of neurotransmitter |
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Receptor Binding |
Transmitter connects with post-synaptic receptor |
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Aricept |
Blocks enzyme that breaks down ACH -AGONIST |
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Atropine |
Blocks ACH receptors -ANTAGONIST |
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Nicotine |
Agonist - acts like ACH |
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Neurotransmitter vs drugs |
Neurotransmitters - effect only one area vs drugs can effect multiple |