The terms retinal migraine and ocular migraine are often confused with visual migraine, which is a far-more-common symptom of vision loss, resulting from the aura phase of the common migraine. The aura phase of migraine can occur with or without a headache.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  mentalism(Noun) The doctrine that physical reality exists only because of the mind's awareness. 2  mentalism(Noun) Activities such as mind reading, especially when used by performers.
Not to be confused with Behavioralism. Behaviorism (or behaviourism) is an approach to psychology that focuses on an individual's behavior. It combines elements of philosophy, methodology, and psychological theory.he primary tenet of methodological behaviorism, as expressed in the writings of John B. Watson and others, is that psychology should have only concerned itself with observable events. Behaviorist philosophies shifted somewhat during the 1940s and 1950s and again since the 1980s.