Initial storage of unfamiliar objects: Examining memory stores with signal detection analyses

Chad J. Marsolek; E. Darcy Burgund

doi:10.1016/j.actpsy.2004.11.001

Initial storage of unfamiliar objects: Examining memory stores with signal detection analyses

Chad J. Marsolek, E. Darcy Burgund

Psychology (Twin Cities)

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The memory source(s) underlying performance of the object decision task were examined. Application of signal detection theory with independent indices of sensitivity and bias indicated that greater object decision sensitivity (possible vs. impossible object discrimination) is observed for primed than for unprimed objects and a greater bias to respond "possible" is observed for primed than for unprimed objects. To test whether a single memory store underlies the two effects, we assessed whether the two effects would be influenced in similar ways by a particular experimental manipulation. Sensitivity did not differ between processing of 180°-rotated primed objects vs. un-rotated primed objects, but bias to respond "possible" differed between those conditions in predictable ways depending on the cerebral hemisphere of direct test presentations. Results support a conciliatory resolution to the debate concerning memory in this task and help to clarify properties of memory stores underlying the initial storage of unfamiliar objects.

Original language	English (US)
Pages (from-to)	81-106
Number of pages	26
Journal	Acta Psychologica
Volume	119
Issue number	1
DOIs	https://doi.org/10.1016/j.actpsy.2004.11.001
State	Published - May 2005

Bibliographical note

Funding Information:
Funding for this work came from the Center for Cognitive Sciences in conjunction with the National Science Foundation (GER 9454163), the Office of the Vice President for Research and Dean of the Graduate School of the University of Minnesota, and from the National Institute of Mental Health, Grants MH53959 and MH60442. In addition, we would like to thank Thomas Carlson, John Curtis, Lisa Elo, and James Zak, for their assistance with data collection and analysis.

Keywords

Hemispheres
Learning
Memory
Object perception
Priming

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title = "Initial storage of unfamiliar objects: Examining memory stores with signal detection analyses",

abstract = "The memory source(s) underlying performance of the object decision task were examined. Application of signal detection theory with independent indices of sensitivity and bias indicated that greater object decision sensitivity (possible vs. impossible object discrimination) is observed for primed than for unprimed objects and a greater bias to respond {"}possible{"} is observed for primed than for unprimed objects. To test whether a single memory store underlies the two effects, we assessed whether the two effects would be influenced in similar ways by a particular experimental manipulation. Sensitivity did not differ between processing of 180°-rotated primed objects vs. un-rotated primed objects, but bias to respond {"}possible{"} differed between those conditions in predictable ways depending on the cerebral hemisphere of direct test presentations. Results support a conciliatory resolution to the debate concerning memory in this task and help to clarify properties of memory stores underlying the initial storage of unfamiliar objects.",

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N2 - The memory source(s) underlying performance of the object decision task were examined. Application of signal detection theory with independent indices of sensitivity and bias indicated that greater object decision sensitivity (possible vs. impossible object discrimination) is observed for primed than for unprimed objects and a greater bias to respond "possible" is observed for primed than for unprimed objects. To test whether a single memory store underlies the two effects, we assessed whether the two effects would be influenced in similar ways by a particular experimental manipulation. Sensitivity did not differ between processing of 180°-rotated primed objects vs. un-rotated primed objects, but bias to respond "possible" differed between those conditions in predictable ways depending on the cerebral hemisphere of direct test presentations. Results support a conciliatory resolution to the debate concerning memory in this task and help to clarify properties of memory stores underlying the initial storage of unfamiliar objects.

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Initial storage of unfamiliar objects: Examining memory stores with signal detection analyses

Abstract

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Keywords

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