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Attenuation theory, also known as Treisman's attenuation model, is a model of selective attention proposed by Anne Treisman, and can be seen as a revision of Donald Broadbent's filter model. Treisman proposed attenuation theory as a means to explain how unattended stimuli sometimes came to be processed in a more rigorous manner than what ...
Broadbent's filter model. Donald Broadbent based the development of the filter model from findings by Kennith Craik, who took an engineering approach to cognitive processes. Cherry and Broadbent were concerned with the issue of selective attention. [1] Broadbent was the first to describe the human attentional processing system using an ...
[12] [6] In 1964, Treisman proposed her Attenuation Theory, which modified Broadbent's Filter model by stating that unattended information is attenuated rather than completely filtered out. Treisman used a dichotic listening task during which participants heard multiple languages and different voices (male vs. female).
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.
In 1964, Anne Treisman, a graduate student of Broadbent, improved Broadent's theory and proposed her own attenuation model. [13] In Treisman's model, unattended information is attenuated, tuned down compared to attended information, but still processed.
This debate became known as the early-selection vs. late-selection models. In the early selection models (first proposed by Donald Broadbent), attention shuts down (in Broadbent's model) or attenuates (in Treisman's refinement) processing in the unattended ear before
In a later addition to this existing theory of selective attention, Anne Treisman developed the attenuation model. [29] In this model, information, when processed through a filter mechanism, is not completely blocked out as Broadbent might suggest.
Donald Eric (D. E.) Broadbent CBE, [1] FRS [2] (Birmingham, 6 May 1926 – 10 April 1993) [3] was an influential experimental psychologist from the United Kingdom. [4] His career and research bridged the gap between the pre-World War II approach of Sir Frederic Bartlett [ 5 ] and what became known as cognitive psychology in the late 1960s.