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previous frequency effect - collezione «Medicina: Neuropsicologia cognitiva» - Silvia Bartelloni next
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Medicina: Neuropsicologia cognitiva

frequency effect clicca per ingrandire
Attestation 3
Part of speech Noun phrase
Phraseology To a result in a frequency effect.
Definition An important semantic system´s organizing principle according to which low frequency words cannot be easily activated by aphasics.
An effect on which it depends the activation threshold of the representation. The frequency effect allows high frequency words to be more easily activated than the low frequency words.
Definition source Vista-Mead 2001
Vista-Mead 2001
Context Normal subjects are faster at recognizing that a string of letters corresponds to a legitimate word of the language when the string corresponds to a frequently occurring word (e.g., house) than when a less frequent sequence (e.g., enzyme) is presented (Gordon, 1983; Howes & Solomon, 1951; Morton, 1969). This finding, usually referred to as a FREQUENCY EFFECT, holds true with both orthographic representations in reading and phonological representations in auditory recognition. These observations have been taken as evidence that the frequency of occurrence of an item in the language is reflected in the ease and speed with which lexical representations are activated.
Context source Sarno 1991
Subject field Aphasia
Sub-field (level 1) Aphasiology
Sub-field (level 2) Cognitive neuropsychology
Clinical neuropsychology
Sub-field (level 3) Diagnosis-Neuropsychological test battery
Related concept Target word, Reaction time, Cue
it Effetto frequenza
Reliability code 3

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