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Michael Poon's Shrine of Neurology

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Frontal Lobe Function Testing

 05 November 2004

Test language first

Comprehension

Single, 2 then 3 stage command

Yes-No

Semantic

Phonemic

Check for reading

Repetition

 

Expression

As per comprehension

Check for writing

 

Components

Area

Deficit

Dorsolateral

Cognitive inflexibility

Medial

Apathy, abulia

Orbitomedial

Disinhibition

 

Signs

Grasp

Palmar mentalis

Gait

Check olfactory: taste/smell

Check Foster Kennedy syndrome: ipsilateral optic atrophy, contralateral papilledema

 

Cognitive testing (dorsolateral frontal lobe)

Perseveration

1. Fist-palm-side

2. Copy alternating diagrams eg. ÇÕÇÕÇÕÇÕÇÕ

3. Go-no-go paradigm

Abstract thinking

Proverb

Similarities and differences eg between cow and horse

Ability to sort things

Verbal fluency eg spontaneous word generation eg. More than 17 words starting with s in 1 minute and more than 13 for f.

Planning eg What would you do? In fire; found a wallet etc

Attention

Digit span (forward & backwards)

Continuous performance test: Tap for A; Follow coins