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Heterophoria is an eye condition in which the directions that the eyes are pointing at rest position, when not performing binocular fusion, are not the same as each other, or, "not straight". This condition can be esophoria, where the eyes tend to cross inward in the absence of fusion; exophoria, in which they diverge; or hyperphoria, in which ...
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
Prism adaptation is a sensory-motor adaptation that occurs after the visual field has been artificially shifted laterally or vertically. It was first introduced by Hermann von Helmholtz in late 19th-century Germany as supportive evidence for his perceptual learning theory (Helmholtz, 1909/1962). [1]
An ink blot test is a personality test that involves the evaluation of a subject's response to ambiguous ink blots. This test was published in 1921 by Swiss psychiatrist Hermann Rorschach . The interpretation of people's responses to the Rorschach Inkblot Test was originally based on psychoanalytical theory but investigators have used it in an ...
The latter prism needed to reduce the fixation disparity to zero is referred to as aligning prism (earlier called associated phoria). Instrumentations as the Disparometer, the Mallett-unit, or the Wesson Card differ in the type of fusion target: some use small central fixation letters, others use more peripheral fusion targets.
If the eye was exotropic, covering the fixating eye will cause an inwards movement; and if esotropic, covering the fixating eye will cause an outwards movement. The alternating cover test, or cross cover test is used to detect total deviation (tropia + phoria).
The ability to switch matching rules is measured. Typically, children between ages nine and eleven demonstrate the cognitive flexibility needed for this test. Stroop Test. The Stroop Test is also known as the Color-word Naming Test. In this measure, there are three types of cards in the deck.
Meaning in psychology. In psychology, apperception is "the process by which new experience is assimilated to and transformed by the residuum of past experience of an individual to form a new whole". In short, it is to perceive new experience in relation to past experience.
In the ego psychology model of the psyche, the id is the set of uncoordinated instinctual desires; the superego plays the critical and moralizing role; and the ego is the organized, realistic agent that mediates between the instinctual desires of the id and the critical superego; Freud compared the ego (in its relation to the id) to a man on ...
Psychophysiology. Psychophysiology (from Greek ψῡχή, psȳkhē, "breath, life, soul"; φύσις, physis, "nature, origin"; and -λογία, -logia) is the branch of psychology that is concerned with the physiological bases of psychological processes. [1] While psychophysiology was a general broad field of research in the 1960s and 1970s ...