Term
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Definition
- Gross sensation - Proprioception - Filters and integrates all sensory data - Attention |
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Term
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Definition
- Auditory - Sensory interpretation - Learning, emotional affect - Memories involving more than one sense - Right: visual memory (faces) - Left: verbal memory (names) |
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Term
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Definition
- Links cerebrum and spinal cord - Controls involuntary functions necessary for life - Contains cardiac, respiratory, vomiting, and vasomotor centers - Nerves cross over in medulla (right side of brain controls left side of body, vice versa) |
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Term
Unique features of cerebral circulation |
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Definition
- Arterial and venous system not parallel - Blood vessels in brain have 2 layers (not 3) so they're weaker - Redundancy and collatral circulation provided by circle of willis - Blood brain barrier limits what can enter brain |
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Term
Things that disrupt the blood brain barrier |
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Definition
- Severe HTN - Tumors - Trauma - Strokes - Infection - Severe hypercapnia or hypoxia - Sustained seizure activity |
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Term
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Definition
Destruction of the cells that make dopamine leading to loss of muscle function and tremor Damage gets worse over time Treat with L-Dopa |
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Term
Symptoms of upper motor neuron damage (brain) |
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Definition
- Hyperactive reflexes (reflexes still present but no modulation from brain) - Rigidity - Tremor - Twisting irregular movements may be present |
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Term
Symptoms of lower motor neuron damage (spinal cord) |
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Definition
- Flaccid paralysis - No reflexes - Loss of muscle tone |
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Term
Common causes of altered LOC (AEIOU TIPS) |
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Definition
Alcohol Epilepsy Insulin Overdose Uremia Trauma Infection Psychiatric Stroke |
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Term
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Definition
Turned inward: decorticate, better Turned outward: decerebate, worse |
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