Speed of processing and stimulus complexity in low-frequency and high-frequency channels

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Speed of processing and stimulus complexity in low-frequency and high-frequency channels. / Höger, Rainer.
In: Perception, Vol. 26, No. 8, 01.08.1997, p. 1039-1045.

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@article{935f489a13ea4e93b6a2e7a01a741797,
title = "Speed of processing and stimulus complexity in low-frequency and high-frequency channels",
abstract = "Studies of the microgenesis of perception led to the hypothesis that global aspects of objects are processed faster than their details. If one starts with the assumption that low-frequency information of objects corresponds to the global, and high-frequency information to the local aspects, recognising objects should rely at first on information from the low-frequency channels and afterwards from that of the high-frequency channels. The priming paradigm provides a mean of investigating experimentally the temporal availability of low-frequency and high-frequency information in object perception. In the experiments subjects had to respond to target objects preceded either by related or by unrelated priming stimuli, which consisted of low-pass-filtered and high-pass-filtered versions of the objects. With the influence of stimulus complexity controlled, pictures of objects were chosen that varied in the number of intensity changes in the high-frequency components, with those of the low-frequency components kept constant. The exposure duration of each prime was varied between 40 and 100 ms. The results indicated that target identification only profits more from low-frequency than from high-frequency primes if the high-frequency information has a high level of complexity. If the number of intensity changes in the high-frequency components of the prime is low, target identification is most strongly facilitated. The results are discussed in terms of models which focus on organising principles at different scales.",
keywords = "Business psychology",
author = "Rainer H{\"o}ger",
year = "1997",
month = aug,
day = "1",
doi = "10.1068/p261039",
language = "English",
volume = "26",
pages = "1039--1045",
journal = "Perception",
issn = "0301-0066",
publisher = "SAGE Publications Inc.",
number = "8",

}

RIS

TY - JOUR

T1 - Speed of processing and stimulus complexity in low-frequency and high-frequency channels

AU - Höger, Rainer

PY - 1997/8/1

Y1 - 1997/8/1

N2 - Studies of the microgenesis of perception led to the hypothesis that global aspects of objects are processed faster than their details. If one starts with the assumption that low-frequency information of objects corresponds to the global, and high-frequency information to the local aspects, recognising objects should rely at first on information from the low-frequency channels and afterwards from that of the high-frequency channels. The priming paradigm provides a mean of investigating experimentally the temporal availability of low-frequency and high-frequency information in object perception. In the experiments subjects had to respond to target objects preceded either by related or by unrelated priming stimuli, which consisted of low-pass-filtered and high-pass-filtered versions of the objects. With the influence of stimulus complexity controlled, pictures of objects were chosen that varied in the number of intensity changes in the high-frequency components, with those of the low-frequency components kept constant. The exposure duration of each prime was varied between 40 and 100 ms. The results indicated that target identification only profits more from low-frequency than from high-frequency primes if the high-frequency information has a high level of complexity. If the number of intensity changes in the high-frequency components of the prime is low, target identification is most strongly facilitated. The results are discussed in terms of models which focus on organising principles at different scales.

AB - Studies of the microgenesis of perception led to the hypothesis that global aspects of objects are processed faster than their details. If one starts with the assumption that low-frequency information of objects corresponds to the global, and high-frequency information to the local aspects, recognising objects should rely at first on information from the low-frequency channels and afterwards from that of the high-frequency channels. The priming paradigm provides a mean of investigating experimentally the temporal availability of low-frequency and high-frequency information in object perception. In the experiments subjects had to respond to target objects preceded either by related or by unrelated priming stimuli, which consisted of low-pass-filtered and high-pass-filtered versions of the objects. With the influence of stimulus complexity controlled, pictures of objects were chosen that varied in the number of intensity changes in the high-frequency components, with those of the low-frequency components kept constant. The exposure duration of each prime was varied between 40 and 100 ms. The results indicated that target identification only profits more from low-frequency than from high-frequency primes if the high-frequency information has a high level of complexity. If the number of intensity changes in the high-frequency components of the prime is low, target identification is most strongly facilitated. The results are discussed in terms of models which focus on organising principles at different scales.

KW - Business psychology

UR - http://www.scopus.com/inward/record.url?scp=0031298219&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/1e739f95-d57e-3582-be08-26825a8296ad/

U2 - 10.1068/p261039

DO - 10.1068/p261039

M3 - Journal articles

VL - 26

SP - 1039

EP - 1045

JO - Perception

JF - Perception

SN - 0301-0066

IS - 8

ER -

DOI

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