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Associative Information Processing in Parahippocampal Place Area (PPA): An fMRI Study

  • Mi Li
  • Dongning Han
  • Shengfu Lu
  • Zheng Liu
  • Ning Zhong
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7670)

Abstract

The function of the parahippocampal place area (PPA) is a matter of debate. We investigated this issue in fMRI experiment by 36 normal subjects using two types of tasks: figure and text. Furthermore, the figure tasks contain two kinds of contextual associations: one is among items; the other is among items and their locations which refers to the spatial contextual associations. In contrast, the text tasks contain only item contextual associations - they do not have any spatial information. The results showed that the right PPA located at anterior lingual gyrus and left anterior parahippocampal gyrus nearby amygdala were significantly activated during both figure and text tasks, which indicate that the PPA is more involved in associative information processing.

Keywords

Source Memory fMRI Experiment Parahippocampal Cortex Associative Information Contextual Association 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Mi Li
    • 1
    • 2
    • 6
  • Dongning Han
    • 3
  • Shengfu Lu
    • 2
    • 6
  • Zheng Liu
    • 4
  • Ning Zhong
    • 2
    • 5
    • 6
  1. 1.The School of Computer and Communication EngineeringLiaoning ShiHua UniversityLiaoningChina
  2. 2.International WIC InstituteBeijing University of TechnologyBeijingChina
  3. 3.College of Optical and Electronical InformationChangchun University of Science and TechnologyJilinChina
  4. 4.Dept. of Biomedical EngineeringTianjing UniversityTianjingChina
  5. 5.Dept. of Life Science and InformaticsMaebashi Institute of TechnologyMaebashi-CityJapan
  6. 6.Beijing Key Laboratory of MRI and Brain InformaticsChina

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