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The motor cortex is the region of the cerebral cortex ... the surgeon would be able to avoid any damage to speech circuitry. The brain focus of the epilepsy could ...
Apraxia is a motor disorder caused by damage to the brain (specifically the posterior parietal cortex or corpus callosum [1]), which causes difficulty with motor planning to perform tasks or movements. The nature of the damage determines the disorder's severity, and the absence of sensory loss or paralysis helps to explain the level of ...
Primary motor cortex is defined anatomically as the region of cortex that contains large neurons known as Betz cells, which, along with other cortical neurons, send long axons down the spinal cord to synapse onto the interneuron circuitry of the spinal cord and also directly onto the alpha motor neurons in the spinal cord which connect to the ...
Apraxia is a motor disorder caused by damage to the brain, and may be more common in those who have been left brain damaged, with loss of mechanical knowledge critical. [19] Headaches, occasional dizziness, and fatigue—all temporary symptoms of brain trauma—may become permanent, or may not disappear for a long time.
Damage in the watershed region does not directly harm the areas of the brain involved in language production or comprehension; instead, the damage isolates these areas from the rest of the brain. [1] If there is damage to the frontal lobe, executive functions related to language use are often affected. Executive functions relevant to language ...
A frequently occurring motor deficit is left-sided hemiparesis (in strokes affecting the motor cortex). A less common motor deficit in this population is dysphagia. [4] Patients with right hemisphere brain damage often display sensory deficits such as left neglect, in which they ignore everything in the left visual field. [5]
Motor symptoms: Facial grimacing and complex automatisms like kicking and pelvic thrusting; Vocal symptoms: Laughing, yelling, or speech arrest. [6] Primary motor cortex. The primary motor cortex has jacksonian seizures that spread to adjacent areas of the lobe which often trigger a second round of seizures originating in another cortical area.
Upper motor neurons in the primary motor cortex send their axons to the brainstem and spinal cord to synapse on the lower motor neurons, which innervate the muscles. Damage to motor areas of the cortex can lead to certain types of motor neuron disease. This kind of damage results in loss of muscular power and precision rather than total paralysis.