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| In a rat experiment in which rats were given impoverished of enriched condition, what were the results of enriched condition? |
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thicker cerbral cortex
less severe injury
more dendrites |
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damage to substantia nigra
treatments: medicated to replace depleted cells, deep brain stimulation
facial masking |
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| Continuity vs. Difference |
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Definition
continuity of behavior/biology across species based on evolution
differences among behavior/biology from adaptation |
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| Conserved Characteristics |
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Definition
features that span time
common ancestor |
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Definition
| change over the course of a lifetime |
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| alter structure/function of the brain/body and observe results |
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change behavior and observe resulting changes in biology correlation
not proof of causal relationship |
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| ability of the brain to be changed by environement/experience |
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| analysis by breaking down into parts |
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brain composed of separate neurons
info. passes across synapse |
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non-neuron
structure and other support |
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Multipolar Bipolar Unipolar |
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Definition
many dendrites, single axon, most common
single dendrite, single axon, common in sensory systems
single extension branches in two directions |
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Motorneurons Sensory neurons Interneurons |
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Definition
muscles and glands
affected by stimuli
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Definition
star shape
glial cell
modualtion |
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Definition
| small, active at injuries |
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Definition
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| form myelin sheath outside brain and spinal cord |
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| gap where no myelin exists |
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| Dendrites: Important Terms |
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Definition
arborization-branching of dendrites
presynaptic, postsynaptic, synaptic cleft
dendritic spines form and reform-neural plasticity |
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Definition
axon hillock-neuron integration zone
axon colatterals-branches
innervate-provide neural input
axonal transport-movement of materials within axon |
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change is the rule, not the exception
neural systems change with development |
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