Functional comparison of primacy, middle and recency retrieval in human auditory short-term memory: An event-related fMRI study

Da Ren Zhang, Zhi Hao Li, Xiang Chuan Chen, Zhao Xin Wang, Xiao Chu Zhang, Xiao Mei Meng, Sheng He, Xiao Ping Hu

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Primacy and recency effects refer to the better performance or shorter response time on the first and last items than the middle ones of a memory list. In order to investigate its neural basis in auditory short-term memory, event-related fMRI was used to measure brain activities when subject was recalling the first, the last, or the middle items. Recalling the middle item was associated with more extensive activation in the left parietal and visual cortex, basal ganglia, and dorsal cerebellum. Recalling items from different serial positions also resulted in different activation time courses in the bilateral primary auditory cortex, left prefrontal cortex and left premotor cortex. These data indicate that the auditory cortex may serve as a transient storage or the auditory input buffer, which seems to play an important role in the primacy and recency effects.

Original languageEnglish (US)
Pages (from-to)91-98
Number of pages8
JournalCognitive Brain Research
Volume16
Issue number1
DOIs
StatePublished - Mar 1 2003

Keywords

  • Event-related fMRI
  • Serial position effect
  • Short-term memory

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