"If you would converse with me, you must first
define your terms."
abscess Accumulation of pus caused by infection.
abstracting ability Ability to shift voluntarily from one aspect of a situation to another. A characteristic of Alzheimer's disease and other psychiatric disorders is the inability to shift readily from the concrete to the abstract and back again as demanded by circumstances.
abulia Loss or impairment of the ability to perform voluntary actions or to make decisions.
acetylcholine Neurotransmitter that is deficient in patients with Alzheimer's disease.
agnosia Inability to recognize various objects. Although agnosia often is present in the early stages of Alzheimer's disease, it may be so subtle and slight that it goes unnoticed. In the early stages of Alzheimer's disease, this condition can be recognized only through detailed psychological tests.
akathisia Syndrome characterized by an inability to remain in the sitting position because of motor restlessness and a feeling of muscular quivering.
akinesia Absence or loss of the power of voluntary motion.
amitriptyline (Elavil) Tricylic antidepressant commonly given at bedtime. It has both sedative and anticholinergic side effects.
amnesia Memory impairment.
amyloid deposition Deposit of an abnormal protein (amyloid) in the brain of a patient with Alzheimer's disease.
analgesics Medications used to relieve pain; painkillers.
angina See anginal pain.
anginal pain Chest pain experienced by a patient with coronary artery disease. Typically the pain occurs during exercise and is relieved by rest or appropriate