Results 21 to 30 of about 24,240 (258)

Stimulus frequency alone can account for the size effect in number comparison

open access: yesActa Psychologica, 2023
In a number comparison task, the size effect (i.e, smaller values are easier to compare than larger values) is usually attributed to a psychophysics-based representation.
Attila Krajcsi, Petia Kojouharova
doaj   +1 more source

The Irreducibility of Vision: Gestalt, Crowding and the Fundamentals of Vision

open access: yesVision, 2022
What is fundamental in vision has been discussed for millennia. For philosophical realists and the physiological approach to vision, the objects of the outer world are truly given, and failures to perceive objects properly, such as in illusions, are just
Michael H. Herzog
doaj   +1 more source

Clinical psychophysics [PDF]

open access: yesEye, 1988
New developments in clinical psychophysics allow a non-invasive assessment of visual function which may otherwise not be possible. Measurements of spatial and temporal contrast sensitivity functions, perimetric rod and cone sensitivity, colour vision testing, and newer tests such as hyperacuity thresholds may provide information about the mechanism of ...
openaire   +2 more sources

Sample questionnaire forms for the psychophysics experiments

open access: yes, 2021
Samples of the questionnaires used to collect data for the two human psychophysics ...
Irina Higgins (11418668)
core   +1 more source

Changes in stimulus and response AC/A ratio with vision therapy in Convergence Insufficiency

open access: yesJournal of Optometry, 2017
Purpose: To evaluate the changes in the stimulus and response Accommodative Convergence to Accommodation (AC/A) ratio following vision therapy (VT) in Convergence Insufficiency (CI).
Neeraj Kumar Singh   +2 more
doaj   +1 more source

Who Is the Founder of Psychophysics and Experimental Psychology?

open access: yesAmerican Journal of Islam and Society, 1999
The study is an investigation of the origins of psychophysics and experimental psychology. According to historians of psychology, Francis Bacon had the most crucial influence in the history of the experimental method, because he emphasized the importance
Omar Khaleefa
doaj   +1 more source

EEG microstates are a candidate endophenotype for schizophrenia

open access: yesNature Communications, 2020
EEG microstate abnormalities have been reported in patients with schizophrenia. Here the authors demonstrate that patients and their siblings show similar microstate abnormalities compared to healthy controls.
Janir Ramos da Cruz   +7 more
doaj   +1 more source

Low‐contrast visual acuity versus low‐luminance visual acuity in choroideremia

open access: yesClinical and Experimental Optometry, EarlyView., 2020
Clinical relevance Choroideremia is a progressive X‐linked inherited rod‐cone dystrophy. Patients present with nyctalopia and progressive visual field loss, but visual acuity remains well preserved early on. This study showed that low‐luminance visual acuity may be a useful clinical outcome measure during earlier disease stages.
Laura J Wood   +6 more
wiley   +1 more source

PSYCHOPHYSICS OF REMEMBERING [PDF]

open access: yesJournal of the Experimental Analysis of Behavior, 1999
We present a new model of remembering in the context of conditional discrimination. For procedures such as delayed matching to sample, the effect of the sample stimuli at the time of remembering is represented by a pair of Thurstonian (normal) distributions of effective stimulus values.
K G, White, J T, Wixted
openaire   +2 more sources

Nested Selves: Self‐Organization and Shared Markov Blankets in Prenatal Development in Humans

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract The immune system is a central component of organismic function in humans. This paper addresses self‐organization of biological systems in relation to—and nested within—other biological systems in pregnancy. Pregnancy constitutes a fundamental state for human embodiment and a key step in the evolution and conservation of our species. While not
Anna Ciaunica   +3 more
wiley   +1 more source

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