DYSFUNCTION-TEMPORAL LOBE

SUMMARY

DESTRUCTIVE LESIONS (DOMINANT)
Mnemonic: some people are unable to read, write, calculate or understand the names of pies
1. Alexia: acquired dyslexia, inability to read
2. Agraphia: inability to write
3. Acalculia
4. Wernickie's dysphasia: receptive dysphasia
5. Nominal dysphasia: inability to name objects from lesions of the posterior-superior temporal lobe
6. Homonymous superior quadrantinopia: 'pie in the sky' field defect due to disruption of the Meyer's loop which dips into the temporal lobe

DESTRUCTIVE LESIONS (NON-DOMINANT)

Mnemonic: I’m so drunk I can’t even see a quarter of your face
1. Homonymous superior quadrantinopia: 'pie in the sky' field defect
2. Prosopagnosia: failure to recognize faces

IRRITATIVE LESIONS
1. Formed visual hallucinations
2. Complex-partial seizures
3. Memory disturbances, e.g. déjà vu, etc.

Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.