Parietal BA

• Brodmann areas in Parietal lobe

  • BA 3, 1, 2
  • BA 5, 7
  • BA 3, 9
  • BA 43
  • BA 40
• BA 3, 1, 2

  Primary Sensory
• Primary sensory aka

  Somatostetic
• BA 3, 1, 2 aka

  Post- central gyrus
• Function of BA 3, 1, 2

  General sensation (receives all sensation) and only interprets pain and temperature
• Lesion of Primary sensory area

  Contralateral anaesthesia
• BA 5, 7

  Secondary sensory
• Secondary sensory aka

  Secpndary somatostetic or Sensory association area
• Interprets sensation perceived by primary sensory area EXCEPT pain and temperature

  BA 5, 7
• BA 39

  Angular gyrus
• Function of Angular gyrus

  • Naming
  • R/L orientation
  • Reading comprehension
  • Writing
  • Mathematical ability
• Lesion in BA 39

  Anomic aphasia
• Anomic aphasia has difficulty in

  Naming words
• BA 39 lesion

  Gerstmann syndrome
• Gerstmann syndrome song

  I have Gerstmann, the L and the R, Finger agnosia, agraphia, acalculia 1,2,3, area 39, angular
• BA 40

  Supramarginal gyrus
• Function of L BA 40

  Assist Wernicke's area
• ⭐️ Lesion in L BA 40

  Ideomotor Apraxia
• Function in R BA 40

  Tactile sensation
• Lesion in R BA 40

  Asteriognosis or tactile agnosia
• BA 43

  Primary gustatory
• Interpret tastes

  BA 43
• If BA 39 interpret taste, the sensation of taste are?

  CN 5 & 9
• Lesion in BA 39

  Aguesia