Question

What is an infarct of right and left parietal lobes of brain?

Answer 1

An infarct of the parietal lobe is the death of its tissues caused when an obstruction of the blood supply causes a lack of oxygen.

Explanation:

The parietal lobe is one of the four major lobes of the brain.

The left and right parietal lobes control the sensations of touch, pressure, pain, spatial awareness, and judgment of texture, weight, size, and shape.

The symptoms of parietal damage differ, depending on which areas are affected.

One side (right or left)

• Inability to identify an object by touch or a number or letter traced on the skin
• Weakening of one side of the body
• Loss of the field of view on the same half or in the same quadrant in both eyes
• Inability to recognize the side of the body opposite to the damaged lobe

Dominant (left) lobe (in right-handed individuals)

• Difficulty in speaking, listening, reading, and writing
• Gertsmann syndrome (severe difficulty in making arithmetical calculations, inability to write coherently and to distinguish, name, and recognize the fingers, confusion of right and left)
• Inability to perform tasks or movements when asked

Non-dominant (right) lobe

• Inability to process and perceive stimuli on the left side of the body or the environment
• Sensory and visual inattention
• Inability to dress or to build, assemble, and draw objects

Both lobes

• Inability to locate named objects or to judge their distance.
• Balint syndrome (inaccuracy of visually guided arm movements; absence of voluntary and purposeful eye movement; inability to perceive more than a single object at a time)