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18 Cards in this Set
- Front
- Back
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What is Luria's 3rd Functional Unit?
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Programming, regulating, & verifying activity (mental, emotional, & behavioral)
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What is the PROCESS APPROACH in neuropsych?
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based on Kaplan's work on apraxias
-focuses on HOW the person performs a task, not completion of it |
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What happens around 21 years old?
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prefrontal cortex comes together
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What is "us"?
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The prefrontal cortex (guilt, shame, social interaction, conformity)
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Describe the frontal lobes
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Anterior 1/3rd of the brain
-use info w/intent, purpose, meaning, & direction -interprets, integrates, makes decisions -produces ability for flexibility, adaptability, intentionality, abstraction -most complex in org & function -most metabolic area of brain; most well vascularized -most susceptible to injury |
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Describe the Prefrontal Cortex
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- "the executive area"
- all stimulants cause either short term damage or long term damage |
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What part of the brain deals with purpose or meaning?
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Prefrontal cortex
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If someone has a prefrontal lobotomy, how do they present?
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No personality
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When does the prefrontal cortex start forming?
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5-6 years old
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Describe
Frontal Lobe Syndrome |
Characterized by:
-social disinhibition, impulsivity, poor planning, bad hygiene, mood lability, paranoia, reduced self awareness "pseudopsychopaths" |
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What are the 2 parts of the Prefrontal cortex?
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Lateral Convexity
Orbital Medial |
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What does the connection of the lateral convexity & and the orbital medial cortex mark?
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around 21; final formation of the prefrontal cortex
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Describe the role of the LATERAL CONVEXITY
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-provides sense of external context
-formed by arcuate connections from parietal & temporal lobes |
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Describe the role of the Orbital-Medial cortex
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- provides sense of self; personal awareness/insight
-connects primarily to limbic system & basal ganglia |
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FRONTAL LOBE DYSFUNCTIONS
- 6 signs (behavioral, problem solving style, etc) |
1. Denial of Problems/Limitations
2. Decreased Self Awareness 3. Reduced Involvement w/Others 4. Concreteness/Lack of Abstraction 5. Impulsivity/ Lack of Inhibition 6. Perseveration/ Inability to Change Set |
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What are some things that cause frontal lobe dysfunctions?
What may they be misinterpreted as? |
Trauma (physical or psychological)
Toxins Disease May be misinterpretated as developmental or genetic |
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What is an apraxia?
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an inability/disturbance in ability to perform complex, learned tasks w/o assoc'd loss in sensory or motor abilities
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What is the difference between an ideational & ideomotor apraxia?
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Ideational - can perform complex action but out of order; disorder in the idea itself behind an action
Ideomotor - dissociation btwn sensory & motor aspects of an action; may pantomime w/hand as object |
