What is A man loses his right hand in a farm accident, four years later, he has episodes of severe pain in the missing hand (phantom limb pain). A detailed PET scan study of his cerebral cortex might be expected to show and explain in detail?
(Projection of fibres from neighbouring sensory areas in to the right hand area of his left SI)(125- Ganong 22nd) (176- Ganong 23rd)Projection - cortical stimulation experiments during neurosurgical procedures on conscious patients illustrate low of projection phenomenoneg. (i) Amputees - some of these patients may complain often bitterly of pain and proprioceptive sensations in the absent limb (Phantom limb)(ii) When cortical recieving area for impulses from the left hand is stimulated the patient reports sensation in the left hand not in the head