Temporal discrimination and the indifference interval. Implications for a model of the
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Temporal discrimination and the indifference interval. Implications for a model of the "internal clock"
Article in Psychological monographs · February 1963
DOI: 10.1037/h0093864 · Source: PubMed
CITATIONS
READS
710
1 author: Michel Treisman University of Oxford
WholeNo. 576, 1963 General and Applied
TEMPORAL DISCRIMINATION AND THE INDIFFERENCE INTERVAL :
IMPLICATIONS FOR A MODEL OF THE "INTERNAL CLOCK'' 1
MICHEL TREISMAN Insti.tute ol Erleri.mental Psychology, Uniuersity ol Oxford Temporal discrimination was investigatedby the mettrodsof production, reproduction, constant stimuli, single stimuli, and estimation. The Weber function was found to give a good frt to the relation between AT and T1 evidencewas obtained ttrat a dip in the Weber function at a short interval is not an essential feature of time estimation but may be due to the developmentof rhythmic modes of responseor other factors. Productions or reproductions of intervals tend to lengthen duriug the courseof a session at a rate proportionately greater for short intervals; but estimates tend to shorten. A model for the "internal cloclJ'is described, based on a pacemaker,counter, store, and comparator with functional relations tending to reduce error, and it is shown to provide explanations for the Weber function, the indifferenceinterval, overestimation of short and underestimationof long intervals,the featuresof "lengthening,"assimilation, and other findings.
All content following this page was uploaded by Michel Treisman on 11 June 2015.
The user has requested enhancement of the downloaded file.
Vol. 77, No. 13 Psychological Monographs:
109 PUBLICATIONS 4,565 CITATIONS
SEE PROFILE
940
Baidu Nhomakorabea
Some of the authors of this publication are also working on these related projects:
Thinking about time perception View project
the long history of research on f\nsnrrn the estimation of time, some of the lrl oldest problems in this field, such as the applicability of Weber's law to the difference threshold function or the causation of the "indifference intervalr" are still unsolved. This is unfortunate since an accurate knowledge of the input-output relations shown by subjects estimating time is essential for the development of a satisfactory model of the underlying time keeping mechanisms. The experiments described in this monograph attempt to clarify some of the features of time estimation; a model is then developed and the predictions it makes are compared with the experimental data. Does Weber's law apply to the temporal difference threshold function? Glass (see Woodrow, 1930) examined intervals of .zl--15.4 seconds and found that it did, but most later investigators have disagreed with him. In a number of casesthe Weber fraction has been found to have a minimal value at some short interval: Mach obtained a minimum of. 5/o at .375 secondl Vierordt obtained a minimum of. 3/o between 1 and 1.5 seconds (Boring, 19a2); and Woodrow (1930) obtaineda mini
Temporal discrimination and the indifference interval. Implications for a model of the "internal clock"
Article in Psychological monographs · February 1963
DOI: 10.1037/h0093864 · Source: PubMed
CITATIONS
READS
710
1 author: Michel Treisman University of Oxford
WholeNo. 576, 1963 General and Applied
TEMPORAL DISCRIMINATION AND THE INDIFFERENCE INTERVAL :
IMPLICATIONS FOR A MODEL OF THE "INTERNAL CLOCK'' 1
MICHEL TREISMAN Insti.tute ol Erleri.mental Psychology, Uniuersity ol Oxford Temporal discrimination was investigatedby the mettrodsof production, reproduction, constant stimuli, single stimuli, and estimation. The Weber function was found to give a good frt to the relation between AT and T1 evidencewas obtained ttrat a dip in the Weber function at a short interval is not an essential feature of time estimation but may be due to the developmentof rhythmic modes of responseor other factors. Productions or reproductions of intervals tend to lengthen duriug the courseof a session at a rate proportionately greater for short intervals; but estimates tend to shorten. A model for the "internal cloclJ'is described, based on a pacemaker,counter, store, and comparator with functional relations tending to reduce error, and it is shown to provide explanations for the Weber function, the indifferenceinterval, overestimation of short and underestimationof long intervals,the featuresof "lengthening,"assimilation, and other findings.
All content following this page was uploaded by Michel Treisman on 11 June 2015.
The user has requested enhancement of the downloaded file.
Vol. 77, No. 13 Psychological Monographs:
109 PUBLICATIONS 4,565 CITATIONS
SEE PROFILE
940
Baidu Nhomakorabea
Some of the authors of this publication are also working on these related projects:
Thinking about time perception View project
the long history of research on f\nsnrrn the estimation of time, some of the lrl oldest problems in this field, such as the applicability of Weber's law to the difference threshold function or the causation of the "indifference intervalr" are still unsolved. This is unfortunate since an accurate knowledge of the input-output relations shown by subjects estimating time is essential for the development of a satisfactory model of the underlying time keeping mechanisms. The experiments described in this monograph attempt to clarify some of the features of time estimation; a model is then developed and the predictions it makes are compared with the experimental data. Does Weber's law apply to the temporal difference threshold function? Glass (see Woodrow, 1930) examined intervals of .zl--15.4 seconds and found that it did, but most later investigators have disagreed with him. In a number of casesthe Weber fraction has been found to have a minimal value at some short interval: Mach obtained a minimum of. 5/o at .375 secondl Vierordt obtained a minimum of. 3/o between 1 and 1.5 seconds (Boring, 19a2); and Woodrow (1930) obtaineda mini