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Sublimal discrimination and the concept of vigilance1

Barratt, P. E. H. ; Beh, Helen C.

Australian journal of psychology, 1964-08, Vol.16 (2), p.107-119 [Periódico revisado por pares]

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Título:
Sublimal discrimination and the concept of vigilance1
Autor: Barratt, P. E. H. ; Beh, Helen C.
É parte de: Australian journal of psychology, 1964-08, Vol.16 (2), p.107-119
Notas: The authors wish to acknowledge the statistical guidance given by Mr R. P. McDonald of the Department of Psychology, University of New England and to thank Professor Herbert Jasper, Montreal Neurological Institute, for discussion of the general nature and results of the experiment.
Descrição: Ten experimental Ss underwent a procedure whereby a subliminal 500 c.p.s. tone (CS) was paired with photic stimulation (UCS). The “arousal” reaction of the alpha rhythm of the EEG was used as evidence of a CR. A subliminal tone of 800 c.p.s. and a 6‐per‐sec. pulsed subliminal shock were used to test for discrimination. Ten matched control Ss underwent the same procedure as the experimental Ss except that the 500 c.p.s. tone was never paired with the photic stimulation. Since experimental Ss gave the CR to the 500 c.p.s. subliminal tone only and not to the two neutral stimuli and control Ss gave no evidence of a CR, it was concluded that discrimination between subliminal stimuli occurs. The results of the study imply that some selective mechanism operates at a neural level whereby significant stimuli are attended to and non‐significant stimuli are not.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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