Ch.15 Nervous System Key Terms

loss of memory

a sensation that precedes an event, including flashing light, dim vision, or photophobia

removal of plaque in the carotid arteries to improve blood flow

electrical burning of tissue

headache

a constant, jerky, uncontrollable movement

an abnormal muscle contraction

release of pressure in the spinal cord

difficulty swallowing

difficulty speaking

blood collecting between the skull and the dura mater

seizures associated with epilepsy; they are characterized by convulsions, loss of consciousness, urinary and fecal incontinence

paralysis in half of the body

fear of water

low or below normal body temperature

difficult to stop or control

difficulty bending the neck forward or sideways

a loss of feeling and movement in the trunk and both legs

abnormal sensation, burning, tingling

these seizures are also called absence seizures and commonly occur in children; consist of a brief change in the level of consciousness without convulsions

the loss of movement and feeling in the trunk and all four extremities with the accompanying loss of bowl, bladder, and sexual function

a sudden attack but is commonly used to indicate a convulsive seizure

narrowing of nerve root openings in the spinal column

a life-threatening event; a state of continued convulsive seizure with no recovery of consciousness

blood collecting between the outer (dura mater) layer and the middle (arachnoid) layer of the meninges