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FRONTAL LOBE FUNCTION

Neurology

FRONTAL LOBE FUNCTION

A. History:
Dysfunction leads to disinhibition, poor judgment and insight.

B. Reflexes:
1. Grasp reflex - localizes to the contralateral abnormal hemisphere.
2. Palmomental reflex - causes protrusion of the lower lip.
3. Pout and snout reflex - elicited by scratching above the upper lip.

C. Other tests:
1. Foster-Kennedy syndrome – optic atrophy ipsilateral to the frontal lesion + papilloedema contralateral to the frontal lesion.
2. Interpret proverbs - patient with dysfunction will give concrete explanation.
3. Anosmia.
4. Gait apraxia – similar to shuffling.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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