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Investigating the relationship between implicit and explicit memory: evidence that masked repetition priming speeds the onset of recollection

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Investigating the relationship between implicit and explicit memory : evidence that masked repetition priming speeds the onset of recollection. / Park, Joanne L.; Donaldson, David I.

In: NeuroImage, Vol. 139, 01.10.2016, p. 8-16.

Research output: Contribution to journalArticlepeer-review

Harvard

Park, JL & Donaldson, DI 2016, 'Investigating the relationship between implicit and explicit memory: evidence that masked repetition priming speeds the onset of recollection', NeuroImage, vol. 139, pp. 8-16. https://doi.org/10.1016/j.neuroimage.2016.06.013

APA

Park, J. L., & Donaldson, D. I. (2016). Investigating the relationship between implicit and explicit memory: evidence that masked repetition priming speeds the onset of recollection. NeuroImage, 139, 8-16. https://doi.org/10.1016/j.neuroimage.2016.06.013

Vancouver

Park JL, Donaldson DI. Investigating the relationship between implicit and explicit memory: evidence that masked repetition priming speeds the onset of recollection. NeuroImage. 2016 Oct 1;139:8-16. https://doi.org/10.1016/j.neuroimage.2016.06.013

Author

Park, Joanne L. ; Donaldson, David I. / Investigating the relationship between implicit and explicit memory : evidence that masked repetition priming speeds the onset of recollection. In: NeuroImage. 2016 ; Vol. 139. pp. 8-16.

Bibtex - Download

@article{c82cdd31d386429c80091ba44768c090,
title = "Investigating the relationship between implicit and explicit memory: evidence that masked repetition priming speeds the onset of recollection",
abstract = "Memory theories assume that unconscious processes influence conscious remembering, but the exact nature of the relationship between implicit and explicit memory remains an open question. Within the context of episodic recognition tests research typical shows that priming impacts behavioral and neural indices of familiarity. By this account, implicit memory leads to enhanced fluency of processing, which is then attributed to 'oldness' in the context of recognition judgments. Recently, however, behavioral and neuroimaging evidence has emerged to suggest that priming can also influence recollection, suggesting that the rate of recollection increases following priming. Here, we examine the relationship between priming and recollection, using Event-Related Potentials (ERPs) to assess changes in the timecourse of processing. Participants studied a series of words, and episodic memory was assessed using a standard item recognition test, but masked repetition priming preceded half of the test cues. Results confirmed that implicit memory was engaged: priming produced robust facilitation of recognition Reaction Times (RTs), with larger effects for studied than unstudied words. Mapping onto the RT data, ERPs recorded during recognition testing over centro-parietal electrodes revealed N400-like priming effects (250-500 ms) that were larger in magnitude for studied than unstudied words. More importantly, priming also had a clear impact on explicit memory, as measured by recollection-related left-parietal old/new effects. While old/new effects for unprimed trials were present during the typical 500-800 ms latency interval, the old/new effects seen for primed trials were equivalent in magnitude and topography, but onset ~. 300 ms earlier. ERPs reveal that repetition priming speeds the onset of recollection, providing a novel demonstration that unconscious memory processes can have a measureable, functional, influence on conscious remembering.",
keywords = "Episodic memory, Event-Related Potentials (ERPs), Masked repetition priming, N400, Recollection",
author = "Park, {Joanne L.} and Donaldson, {David I.}",
note = "J.L.P. was funded by the Economic and Social Research Council (www.esrc.ac.uk) through award reference ES/I901078/1. J.L.P. and D.I.D. are members of the SINAPSE collaboration (www.sinapse.ac.uk), a pooling initiative funded by the Scottish Funding Council and the Chief Scientific Office of the Scottish Executive.",
year = "2016",
month = oct,
day = "1",
doi = "10.1016/j.neuroimage.2016.06.013",
language = "English",
volume = "139",
pages = "8--16",
journal = "NeuroImage",
issn = "1053-8119",
publisher = "Academic Press Inc.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Investigating the relationship between implicit and explicit memory

T2 - evidence that masked repetition priming speeds the onset of recollection

AU - Park, Joanne L.

AU - Donaldson, David I.

N1 - J.L.P. was funded by the Economic and Social Research Council (www.esrc.ac.uk) through award reference ES/I901078/1. J.L.P. and D.I.D. are members of the SINAPSE collaboration (www.sinapse.ac.uk), a pooling initiative funded by the Scottish Funding Council and the Chief Scientific Office of the Scottish Executive.

PY - 2016/10/1

Y1 - 2016/10/1

N2 - Memory theories assume that unconscious processes influence conscious remembering, but the exact nature of the relationship between implicit and explicit memory remains an open question. Within the context of episodic recognition tests research typical shows that priming impacts behavioral and neural indices of familiarity. By this account, implicit memory leads to enhanced fluency of processing, which is then attributed to 'oldness' in the context of recognition judgments. Recently, however, behavioral and neuroimaging evidence has emerged to suggest that priming can also influence recollection, suggesting that the rate of recollection increases following priming. Here, we examine the relationship between priming and recollection, using Event-Related Potentials (ERPs) to assess changes in the timecourse of processing. Participants studied a series of words, and episodic memory was assessed using a standard item recognition test, but masked repetition priming preceded half of the test cues. Results confirmed that implicit memory was engaged: priming produced robust facilitation of recognition Reaction Times (RTs), with larger effects for studied than unstudied words. Mapping onto the RT data, ERPs recorded during recognition testing over centro-parietal electrodes revealed N400-like priming effects (250-500 ms) that were larger in magnitude for studied than unstudied words. More importantly, priming also had a clear impact on explicit memory, as measured by recollection-related left-parietal old/new effects. While old/new effects for unprimed trials were present during the typical 500-800 ms latency interval, the old/new effects seen for primed trials were equivalent in magnitude and topography, but onset ~. 300 ms earlier. ERPs reveal that repetition priming speeds the onset of recollection, providing a novel demonstration that unconscious memory processes can have a measureable, functional, influence on conscious remembering.

AB - Memory theories assume that unconscious processes influence conscious remembering, but the exact nature of the relationship between implicit and explicit memory remains an open question. Within the context of episodic recognition tests research typical shows that priming impacts behavioral and neural indices of familiarity. By this account, implicit memory leads to enhanced fluency of processing, which is then attributed to 'oldness' in the context of recognition judgments. Recently, however, behavioral and neuroimaging evidence has emerged to suggest that priming can also influence recollection, suggesting that the rate of recollection increases following priming. Here, we examine the relationship between priming and recollection, using Event-Related Potentials (ERPs) to assess changes in the timecourse of processing. Participants studied a series of words, and episodic memory was assessed using a standard item recognition test, but masked repetition priming preceded half of the test cues. Results confirmed that implicit memory was engaged: priming produced robust facilitation of recognition Reaction Times (RTs), with larger effects for studied than unstudied words. Mapping onto the RT data, ERPs recorded during recognition testing over centro-parietal electrodes revealed N400-like priming effects (250-500 ms) that were larger in magnitude for studied than unstudied words. More importantly, priming also had a clear impact on explicit memory, as measured by recollection-related left-parietal old/new effects. While old/new effects for unprimed trials were present during the typical 500-800 ms latency interval, the old/new effects seen for primed trials were equivalent in magnitude and topography, but onset ~. 300 ms earlier. ERPs reveal that repetition priming speeds the onset of recollection, providing a novel demonstration that unconscious memory processes can have a measureable, functional, influence on conscious remembering.

KW - Episodic memory

KW - Event-Related Potentials (ERPs)

KW - Masked repetition priming

KW - N400

KW - Recollection

U2 - 10.1016/j.neuroimage.2016.06.013

DO - 10.1016/j.neuroimage.2016.06.013

M3 - Article

C2 - 27291494

AN - SCOPUS:84974809027

VL - 139

SP - 8

EP - 16

JO - NeuroImage

JF - NeuroImage

SN - 1053-8119

ER -

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