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Patietal Lobe
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LOBES OF THE BRAIN: PARIETAL LOBE
 

Parietal Lobe

Sensory Strip Parietal Lobe

  Parietal Lobe

The Parietal Lobe extends from the Post Central Gyrus (Sensory Strip) to the Occipital Lobe. This part of the brain integrates multiple sensory inputs from the various sensory organs. Injury here affects understanding of 3 dimensional space (drawing a clock, putting on a coat), ability to distinguish objects by size, feel (trying to tell the difference between a nickle vs a quarter in one's hand) or even temperature. Right sided injuries may result in "neglecting" the left side (for example, not seeing anything on the left side, not recognizing one's own left hand and even thinking their own hand belongs to someone else). Left sided injuries may result in inability to calculate, left to right disorientation, loss of finger discrimination. Angular gyrus injuries may result in "word blindness".

 

The gyrus just behing the "Motor Strip" (see Frontal Lobe) is the "Sensory Strip". It is also called the Post Central Gyrus. This the the frontal border of the Parietal Lobe. Injury here results in loss of sensation on the opposite side of the body.