APA Dictionary of Psychology

n. an abnormally high level of alkalinity (bicarbonate ion concentration) in the blood and tissues, which upsets the body’s acid–base balance. The condition is often marked by slow, shallow breathing. It has a variety of causes and additional symptoms vary with each, potentially including neurological abnormalities such as muscle twitching, confusion, tremors or spasms, and numbness. Compare acidosis. —alkalotic adj.