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Implicit acoustic sequence learning recruits the hippocampus
Jablonowski, Julia1; Taesler, Philipp1; Fu, Qiufang2; Rose, Michael1
通讯作者Jablonowski, Julia(j.jablonowski@uke.uni-hamburg.de)
2018-12-21
发表期刊PLOS ONE
ISSN1932-6203
卷号13期号:12页码:16
摘要The exclusive role of the medial temporal lobe in explicit memory has been questioned by several studies reporting medial temporal lobe involvement during implicit learning. Prior studies have demonstrated that hippocampal engagement is present during the implicit learning of perceptual associations, however, it is absent during learning response-related associations. Therefore, it was hypothesized that the function of the medial temporal lobe during implicit learning is related to the extraction of perceptual associations in general. While in most implicit learning tasks visual stimuli were used, the aim of the current functional magnetic resonance imaging (fMRI) study was to detect whether activations within medial temporal lobe structures are also found during implicit learning of auditory associations. In a modified version of the classical serial reaction time task, participants reacted to the presentation of five different tones. Unbeknownst to the participants, the tones were presented with an underlying sequential regularity that could be learned. To avoid an influence of response learning on acoustic associative learning, response buttons were remapped in every trial. After learning, two different tests were used to measure participants' conscious knowledge about the underlying sequence in order to assess the amount of implicit memory and to exclude participants with explicit knowledge acquired during learning. fMRI results revealed hippocampal activations for implicit learning of the acoustic sequence. When detecting a relation between implicit learning of acoustic associations and hippocampal activations, this study indicated a relation between hippocampal activations and memory formation of perceptual-based relational representation regardless of explicit knowledge. Thus, present findings suggest a general functional role for the formation of sequenced perceptual associations independent of the involvement of awareness.
DOI10.1371/journal.pone.0209590
收录类别SCI
语种英语
项目资助者German Research Foundation, DFG
资助项目German Research Foundation, DFG[SFB/Transregio 169]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000454149400062
出版者PUBLIC LIBRARY SCIENCE
关键词[WOS]MEDIAL TEMPORAL-LOBE ; INDEPENDENT ACQUISITION ; MEMORY ; DISSOCIATION ; ORDER ; TASK ; SYSTEMS
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/28029
专题脑与认知科学国家重点实验室
通讯作者Jablonowski, Julia
作者单位1.Univ Med Ctr Hamburg Eppendorf, Dept Syst Neurosci, NeuroImage Nord, Martinistr, Hamburg, Germany
2.Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing, Peoples R China
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Jablonowski, Julia,Taesler, Philipp,Fu, Qiufang,et al. Implicit acoustic sequence learning recruits the hippocampus[J]. PLOS ONE,2018,13(12):16.
APA Jablonowski, Julia,Taesler, Philipp,Fu, Qiufang,&Rose, Michael.(2018).Implicit acoustic sequence learning recruits the hippocampus.PLOS ONE,13(12),16.
MLA Jablonowski, Julia,et al."Implicit acoustic sequence learning recruits the hippocampus".PLOS ONE 13.12(2018):16.
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