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11 Cards in this Set
- Front
- Back
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in the news
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Are more psychiatric disorders caused by stress in college environment?
college students have more alcohol use disorders, personality disorders Misery is largely an equal-opportunity affliction: young people in America are depressed, anxious Some evidence suggests that college students may even be less miserable than nonstudent -age mates Suicide is 1/3 lower Depression and anxiety is slightly lowered 1 in 20 college students seek treatment 1 in 10 non college students seek treatment Living at home during college reduces stress |
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Presynaptic membrane
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-The terminal of the sending cell.
-transmitter, electrical signal |
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Postsynaptic membrane
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-Cell membrane opposite the sending terminal.
-receives the message -contains receptors, ligand gated, voltage gated |
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Axodendritic
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excitatory
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Axosomatic
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Inhibitory
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Axoaxonic
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presynaptic inhibition
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Synaptic cleft
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The space between the presynaptic and postsynaptic membrane.
20 nm wide |
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Synaptic vesicle
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small, hollow, beadlike structure found in terminals, contains neurotransmitters.
Release is Ca2+ dependant |
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role of Ca+
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Ca+ causes vesicles to move to active zone and vesicles move to active zone
Change in action potential causes Ca+ to be released |
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Ionotropic receptor (direct)
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A receptor binds a neurotransmitter and this binding opens an ion channel.
Nicotinic acetylcholine receptor |
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metabotropic receptor (indirect)
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A receptor binds a neurotransmitter; activates an enzyme that begins a series of events that opens an ion channel elsewhere in the membrane of the cell.
Cell must expend energy Two ways of opening ion channels G protein Second Messenger |
