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N., Sam M.S.

Sam holds a masters in Child Psychology and is an avid supporter of Psychology academics.
18571 Articles

APHONIA

u. permanent loss of the ability to vocalize, resulting from disease, damage to the larynx, or certain types of psychological

APHRASIA

the inability to speak words in complete phrases, or, the inability to comprehend words arranged in phrases. Individual words are

APHRODISIAC

n. an agent or substance that is thought to stimulate sexual desire or sexual activity in humans or animals. Agents

APICAL DENDRITE

a specific type of dendrite that extends from a specific pyramidal cell, and extends to the outermost surface of the

APLASIA

n. the failure of an organ or bodily tissue to grow- or interruption to the growth process. See also agenesis.

APLYSIA

u. types of mollusks that have an incredibly simple nervous system and are often used to study neurophysiology - especially

APNEA (APNOEA)

n. temporary suspension or arrest of respiration. If the arrest lasts for a long time, the heart may be slowed

APOCLESIS

n. refers to the absence of a desire for, or a complete aversion to, food.

APOENZYME

n. refers to the protein component of an enzyme. This protein component must combine with a second component, termed a

APOLIPOPROTEIN E (APOE)

refers to a protein that may help break down beta-amyloid. Individuals carrying a ApoE4 allele, are statistically more likely to

APOLLONIAN

adj. describes a state of mind that is extremely well-ordered, rational, and very harmonious (from Apollo, the god of prophecy,

APOMORPHINE

n. a morphine derivative that has commonly been used as an expectorant. It has also been used to induce vomiting.

APOPATHETIC BEHAVIOR

behavior influenced and directed by the presence of other people - although not directed toward them. This may manifest in

APOPLECTIC TYPE

a body type characterized by a heavy- set, rotund, thick physique, which roughly corresponds to the endomorphic type (see endomorph)

APOPLECTICUS

A form of the word apoplectic, meaning enraged. |defined by Greek physician Hippocrates (c. 460-c. 311 BCE)

APOPLEXY

n. 1. a now generally obsolete term for a hemorrhagic stroke. 2. Also refers to hemorrhage into an organ, for

APOPTOSIS

n. A generally used term for programmed cell death. See also programmed cell death.

APOSEMATIC

adj. having bright colors or patterns or other distinctive morphology to indicate that an insect or amphibian is generally dangerous

APOSTERIORI

inferring causes or antecedents as a result of conclusions from other observations. Compare a priori.

APOSTERIORI TEST

a statistical test of a null or alternative hypothesis that is formulated after a study is completed and the data