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Attenuation theory, also known as Treisman's attenuation model, is a theory of selective attention proposed by psychologist Anne Treisman that explains how the mind processes sensory input by weakening (attenuating) unattended stimuli rather than fully blocking them. [1]
In psychoanalysis, resistance is the individual's efforts to prevent repressed drives, feelings or thoughts from being integrated into conscious awareness. [1]Sigmund Freud, the founder of psychoanalytic theory, developed the concept of resistance as he worked with patients who suddenly developed uncooperative behaviors during the analytic session.
She proposed an alternative mechanism, attenuation theory. This theory supports an early-selection filter. However, in this case, the filter also attenuates stimuli presented to the unattended channel. If the stimuli pass a threshold, it will leak through the filter and can be attended to.
Feature integration theory is a theory of attention developed in 1980 by Anne Treisman and Garry Gelade that suggests that when perceiving a stimulus, features are "registered early, automatically, and in parallel, while objects are identified separately" and at a later stage in processing.
The attenuation in the signal of ground motion intensity plays an important role in the assessment of possible strong groundshaking. A seismic wave loses energy as it propagates through the earth (seismic attenuation). This phenomenon is tied into the dispersion of the seismic energy with the distance. There are two types of dissipated energy:
A definition of a psychological construct forms a research approach to its study. In scientific works, attention often coincides and substitutes the notion of intentionality due to the extent of semantic uncertainty in the linguistic explanations of these notions' definitions.
An AVO anomaly is most commonly expressed as increasing (rising) AVO in a sedimentary section, often where the hydrocarbon reservoir is "softer" (lower acoustic impedance) than the surrounding shales. Typically amplitude decreases (falls) with offset due to geometrical spreading, attenuation and other factors.
The "floor effect" is one type of scale attenuation effect; [3] the other scale attenuation effect is the "ceiling effect". Floor effects are occasionally encountered in psychological testing , when a test designed to estimate some psychological trait has a minimum standard score that may not distinguish some test-takers who differ in their ...