Nervous Pt. 2

• Alzheimer's disease - cortex shrivels up, damaging areas involved in thinking, planning, and remembering.

  • Ventricles filled with cerebrospinal fluid grow larger
  • Hippocampus shrinks severely
• Multiple sclerosis - inflammatory disease in which the fatty myelin sheath around the axons of the brain and spinal cord are damaged, leading to demyelination and scarring as well as a broad spectrum of signs and symptoms
• Parkinson's disease - disease that affects nerve cells in the brain and causes tremors, poor condition, and problems walking and moving.
• Cerebral Palsy - affects a person's ability to move and maintain balance and posture
• Bell’s palsy - Neuritis that involves paralysis of the facial nerve
• Amyotrophic lateral sclerosis (ALS) - also known as Lou Gehrig's disease, is a motor neuron disease which weakens the muscles and progressively hampers physical function
• Sciatica - common condition arising from compression of, or damage to, a nerve or nerve root.
• Hyper-reflexia

  • Spastic tone - increased muscle tone or stiffness in the muscles.
  • Babinski sign - elicited by stroking the sole of the foot, causing the big toe to extend upward and the other toes to fan out.
• Epilepsy - a neurological condition characterized by recurrent seizures
• Huntington's disease - Degeneration of nerve cells in the brain