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29 Cards in this Set
- Front
- Back
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CSF
Ventricles |
Made by choroid plexus
Openings of middle of brain.. |
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Arachnoid villi
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site where CSF
gets RE-absorbed into blood drains back to systemic circulation |
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Blood Brain Barrier
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- a selectively permeable barrier
created by astrocyte glia cells - induces endothelial cells to form tight junctions (paracrine) less fenestrations -Brain metabolism |
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Spinal Cord –
Gray matter- White matter- |
-consist of sensory and motor nuclei
-myelination |
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General CNS organization
Sensory input Cognitive system behavioral state |
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Development of CNS
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3 Meningial Layers
Dura matter Arachnoid membrane Pia mater |
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Neuromodulators:
1.Noradrenergic 2.serotonergic 3.dopaminergic 4.cholinergic |
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gray matter
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OUTSIDE part of cerebral crtx
cluster of neurons in the middle. |
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white matter
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Basal Ganglion
cluster of neurons between the cerebral crtx and the thalamus. responsible for motion. |
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Hippocampus
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Big center of leanring,
lots of connections in here for remembering things. Memories - based on emotions. |
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Integration.
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Hippocampus
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Famous inverted C.
Learning and memory |
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Amygdala
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Involved in emotion and memory
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Cingulate gyrus
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role in emotion.
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Left vs right dominance.
plasticity |
Ability to change and adapt from left side of brain to specific functions of the right, and vice versa.
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2 forms of Long term memory
Implicit Explicit |
–(non declarative) – once the skill is learned, you don’t have to think about it anymore, its all automatic (driving). Cerebellum (ALWAYS) involved in movements.
facts and events. Medial temporal lobe. |
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Reflexive
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Implicit
doesnt require conscious attention motors skills, procedures |
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Declarative
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Explicit
recall requires conscious attention higher level thinking - inference, comparison, evaluation, memories can be reported verbally |
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Hippocampus
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Long term potentiation
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Frontal lobe-
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Cognition
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Premotor
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developing what programs you want to use to move, or what you want to modify.
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Primary motor cortex
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sends info down spine to like the fingers.
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Premotor
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developing what programs you want to use to move, or what you want to modify.
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Frontal lobe-
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Cognition
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sensory
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all sensory input ends up on cortex.
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Occipital input –
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map neurons, and specific neurons is fired for specific visual stimuli.
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The musculoskeletal system
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the muscle spindle, golgi organs, those are sensory organelles. They also use them to control muscle movements.
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Gray
white |
nerve cells,
myelinated axons |
