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

13th South-East Asian Congress of Medical Physics 2015

物理学;医药卫生

Yusoff, A.N.^1 ; Teng, X.L.^1 ; Ng, S.B.^1 ; Hamid, A.I.A.^2 ; Mukari, S.Z.M.^1

Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur

50300, Malaysia^1

Otto-Von-Guericke University Magdeburg, Biomedical Magnetic Resonance, Leipziger Str. 44, Magdeburg

D-39120, Germany^2

关键词: Noise conditions;    Noisy conditions;    Superior temporal gyrus;    Two ways;    Young adults;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/694/1/012055/pdf
DOI  :  10.1088/1742-6596/694/1/012055

学科分类：卫生学

来源: IOP

【 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.