Psychophysiological interaction between superior temporal gyrus (STG) and cerebellum: An fMRI study

被引：1
|
作者：
Yusoff, A. N. [1 ]
Teng, X. L. [1 ]
Ng, S. B. [1 ]
Hamid, A. I. A. [2 ]
Mukari, S. Z. M. [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Hlth Sci, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
[2] Otto Von Guericke Univ, Biomed Magnet Resonance, Leipziger Str 44, D-39120 Magdeburg, Germany
来源：
13TH SOUTH-EAST ASIAN CONGRESS OF MEDICAL PHYSICS 2015 (SEACOMP) | 2016年 / 694卷
关键词：
D O I：
10.1088/1742-6596/694/1/012055
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This study aimed to model the psychophysiological interaction (PPI) between the bilateral STG and cerebellum (lobule VI and lobule VII) during an arithmetic addition task. Eighteen young adults participated in this study. They were instructed to solve single-digit addition tasks in quiet and noisy backgrounds during an fMRI scan. Results showed that in both hemispheres, the response in the cerebellum was found to be linearly influenced by the activity in STG (vice-versa) for both in-quiet and in-noise conditions. However, the influence of the cerebellum on STG seemed to be modulated by noise. A two-way PPI model between STG and cerebellum is suggested. The connectivity between the two regions during a simple addition task in a noisy condition is modulated by the participants' higher attention to perceive.
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页数：6
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