Find over 25,000 psychological definitions


hypoglycemia

n. the condition of having a low blood-sugar level, due to interference with the formation of sugar in the blood or excessive utilization of sugar. In infants, the major symptoms are tremors, cyanosis, seizures, apathy, weakness, respiratory problems, and failure to develop intellectually; the infantile idiopathic form may be due to a single recessive gene. In adults, the major symptoms are weakness, profuse sweating, nervousness, and dizziness. The adult form may be a psychophysiological reaction (functional hyperinsulinism), or it may result from inadequate intake of carbohydrates or insulin overdosage in those with diabetes mellitus. —hypoglycemic adj.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

January 19th 2025

short-wavelength pigment

short-wavelength pigment

the photopigment present in one of the three populations of retinal cones that has maximum sensitivity to a wavelength of 419 nm. The absence of the gene for the short-wavelength pigment causes tritanopia, a form of color blindness in which blue and green are confused with one another. See also long-wavelength pigment; medium-wavelength pigment.