Results 251 to 260 of about 486,525 (308)

Time contingency and social engagement shape interaction choices in autism and neurotypical development. [PDF]

open access: yesSci Rep
Carnevali L   +6 more
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Psychological and physiological correlates of stimulus discrimination in adults

Psychophysiology, 2023
AbstractThe discrimination of cues in the environment that signal danger (“fear cue”) is important for survival but depends critically on the discernment of such cues from ones that pose no threat (“safety cues”). In rodents, we previously demonstrated the underlying neurobiological mechanisms that support fear versus safety discrimination and ...
Jacklynn M. Fitzgerald   +2 more
openaire   +3 more sources

The Psychological Refractory Period and the Effect of Stimulus Discriminability

The American Journal of Psychology, 1973
The 'psychological refractory period' has come to be the accepted label for response-delay phenomena in a double-stimulation situation. In the classic arrangement the two stimuli S1 and S2, requiring the two responses R1 and R2, are presented at interstimulus intervals of less than 500 msec.
Stewart E. Lunn, Frank J. Tolkmitt
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Stimulus Sampling and Social Psychological Experimentation

Personality and Social Psychology Bulletin, 1999
The authors discuss the problem with failing to sample stimuli in social psychological experimentation. Although commonly construed as an issue for external validity, the authors emphasize how failure to sample stimuli also can threaten construct validity.
Gary L. Wells, Paul D. Windschitl
openaire   +2 more sources

Counteracting Psychological Fatigue Effects by Stimulus Change

Proceedings of the Human Factors Society Annual Meeting, 1974
Psychological fatigue effects, while they presumably result from some changes in the central nervous system, may best be defined today as performance loss over time when respiratory, circulatory and musculature disfunctioning are not involved. Most research recently on psychological fatigue has been under the rubric of “vigilence” where the worker is ...
Corwin A. Bennett   +2 more
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Physiological and Psychological Evaluation of Strength of Auditory Stimulus

IEEJ Transactions on Industry Applications, 2010
In this study, we evaluated the pleasantness or unpleasantness experienced by human beings depending on the intensity of sound; using the nasal skin temperature that was determined using thermograms obtained from an infrared thermograph. Many studies have been carried out on the influence of sound intensity on human beings. However, the effect of sound
Susumu Umehara   +2 more
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Influence of Stimulus Discriminability on Psychological Refractory Period Effect

Perceptual and Motor Skills, 1971
10 undergraduate students were tested in a psychological refractory period paradigm. Stimulus 1 was a visual discrimination task (same-different) and S2 was a 1,000-Hz tone. Discriminability of S1 and ISI were varied. Ss always had to respond to S2, but to S1 only when it was “same.” Discriminability of S1 was found to affect R2, irrespective of ...
Geraldin P. O'Connor, Frank J. Tolkmitt
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Stimulus intensity modulation and psychological dis-ease

Psychopharmacologia, 1972
This presentation is concerned with the study of the sensory bases of psychological functioning and of psychological dis-ease. In regard to psychological dis-ease, emphasis is placed upon a consideration of some major psychiatric syndromes in terms of differences in patterns of modulating sensory information.
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