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38 Cards in this Set
- Front
- Back
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Damage to ares 4, 6 and 8 cause what?
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Motor dysfunction on the contralateral
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What areas make up the dorsolateral prefrontal cortex?
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Areas 9, 10, 11 & 46
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What sort of dysfunction is seen with damage to dorsolateral prefrontal lobe?
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Decreased:
1. Abstracting/Creative 2. Higher cortical function 3. Complex reasoning 4. Judgement issues 5. Akinesia 6. Abulia |
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What is a lack of spontaneity or initiative?
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Abulia
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What is loathness to move?
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Akinesia
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Damage to the frontal lobe can impair _______ while sparing ________.
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1. Concentration
2. Intellectual capacity |
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As we age ________ becomes dominant over ________.
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1. Frontal lobe
2. Limbic lobe |
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When does the frontal lobe become fully myelinated in males?
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20's
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Why might a young male seem like he acts more on his emotions then with reason?
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His libic lobe is still dominant over his pre-frontal cortex.
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The prefrontal cortex has important connections to the _______.
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Thalamus
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The dorsal medial nucleus of the thalamus connects with what two structures?
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1. Dorsal thalamus - sensory
2. Hypothalamus |
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What information does the DMN receive?
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1. Interal viscera
2. Some somatic components |
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How does the DMN send information to the prefrontal cortex? What does it pass through on the way? What sort of response does it deal with?
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1. Anterior thalamic radiations
2. Anterior limb of the internal capsule 3. Intellectual response to stimuli |
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What does the DMN use to send information to tehe orbital surface of the frontal lobe? What do these connections have to do with? How do they get there?
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1. Inferior Thalamic Radiations
2. Emotional response 3. They go under the anterior limb of the internal capsule |
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What is the DMN involved in?
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Affective tone
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What is the integration of new or peculiar experiences and our unique responses to those experiences?
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Affective tone
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What is a result of lesions in the frontal lobe involving the medial surface and the anterior part of the cingulate gyrus and the more caudal parts of the superior frontal gyrus?
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Akinetic mutism
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What artery, when lesioned, leads to akinetic mutism?
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Anterior Communication Artery
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Urinary and fecal incontinence is seen with what disorder?
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Akinetic mutism
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What can one prescribe for someone with akinetic mutism?
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Ritalin
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What is the result of a frontal labotomy?
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Patients become apathetic and compliant, but they lose their creative ability.
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What can surgeons do to help OCD patients?
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Lesion the medial portions of the anterior cingulate gyrus.
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Which lobes of the brain does Pick's disease affect?
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1. Frontal
2. Temporal |
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When does Pick's usually present?
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50's
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What will a patient with Pick's disease still be able to do and why?
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1. Calculate
2. Their parietal lobe is intact |
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What are two things you may see in Pick's patients?
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1. Receptive aphasia
2. Expressive aphasia |
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Overall in Pick's patients, what changes would you see?
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They become apathetic, placid and incontinent of urine and feces.
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As Pick's progresses, what will they develop?
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Akinetic mutism
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Effexor blocks the reuptake of what two things?
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1. Seratonin
2. Norepinephrine |
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What is Aricept
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AchE Inhibitor
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What is Namenda?
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Glutamate antagonist
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What is a Craniopharngioma?
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Tumor of the pituitary gland
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What are symptoms expressed with a Craniopharngioma?
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1. Olfactpry hallucinations
2. Short-term memory loss |
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What connects the medial temporal lobe to the orbital gyri and the prefrontal cortex?
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Uncinate Fasiculus
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A tumor of the uncinate fasiculus can cause?
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1. Olfactory hallucinations
2. Seizures |
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In what syndrome do people feel like their friends and loved ones have been replaced?
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Capgras syndrome
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Where is the damage is one has gustatory hallucinations?
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1. Anterior insular cortex
2. Inferior frontal lobe |
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In what syndrome do patients examine everyting orally?
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1. Kluver-bucy syndrome
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