Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri

Baseline functional magnetic resonance imaging (fMRI) study has been carried out on 2 healthy male subjects with right- and left-hand dominance. The study used the movement of the right- and left-hand fingers to stimulate neuronal activity in the cerebral cortices. The subject was instructed to repe...

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Main Authors:	Ahmad Nazlim Yusoff, Mohd Harith Hashim, Mohd Mahadir Ayob, Iskandar Kassim
Format:	Article
Language:	English
Published:	penerbit ukm 2006
Online Access:	http://journalarticle.ukm.my/1024/ http://journalarticle.ukm.my/1024/ http://journalarticle.ukm.my/1024/1/jurnal59.pdf

id	ukm-1024
recordtype	eprints
spelling	ukm-10242016-12-14T06:28:36Z http://journalarticle.ukm.my/1024/ Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri Ahmad Nazlim Yusoff, Mohd Harith Hashim, Mohd Mahadir Ayob, Iskandar Kassim, Baseline functional magnetic resonance imaging (fMRI) study has been carried out on 2 healthy male subjects with right- and left-hand dominance. The study used the movement of the right- and left-hand fingers to stimulate neuronal activity in the cerebral cortices. The subject was instructed to repeatedly press his fingers against the thumb during the fMRI scans. A five-cycle active-rest paradigm was used with each cycle consists of one active block and one rest block with 10 series of measurements for each block. One hundred fMRI image volumes for each subject were analysed using MatLab and SPM2 software packages. The general linear model (GLM) was employed to statistically estimate the parameters characterising the hemodynamic response model for finger movement. Inferences about the observed brain activations were statistically generated on the basis of Gaussian random field theory (RFT). The results show that, the activated brain regions due to finger movements are located in the precentral gyrus covering the primary motor area. Brain activations are contralateral to the right and left hand finger movements. The active-state signal intensity was found to be significantly (p < 0.001) higher than that of the resting-state. The number of activated voxels were found to be higher in the brain hemisphere controlling the movement of the fingers of the sub-dominant hand for both subjects. The results support the fact that the activated motor area on the brain hemisphere during the movement of the sub-dominant hand experienced a higher hemodynamic response and a larger activated area as compared to the activated regions on the brain hemisphere controlling the finger movement of the dominant hand. penerbit ukm 2006 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/1024/1/jurnal59.pdf Ahmad Nazlim Yusoff, and Mohd Harith Hashim, and Mohd Mahadir Ayob, and Iskandar Kassim, (2006) Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri. Jurnal Sains Kesihatan Malaysia, 4 (2). pp. 63-83. ISSN 1675-8161 http://www.fskb.ukm.my/fskbold/jurnal
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Baseline functional magnetic resonance imaging (fMRI) study has been carried out on 2 healthy male subjects with right- and left-hand dominance. The study used the movement of the right- and left-hand fingers to stimulate neuronal activity in the cerebral cortices. The subject was instructed to repeatedly press his fingers against the thumb during the fMRI scans. A five-cycle active-rest paradigm was used with each cycle consists of one active block and one rest block with 10 series of measurements for each block. One hundred fMRI image volumes for each subject were analysed using MatLab and SPM2 software packages. The general linear model (GLM) was employed to statistically estimate the parameters characterising the hemodynamic response model for finger movement. Inferences about the observed brain activations were statistically generated on the basis of Gaussian random field theory (RFT). The results show that, the activated brain regions due to finger movements are located in the precentral gyrus covering the primary motor area. Brain activations are contralateral to the right and left hand finger movements. The active-state signal intensity was found to be significantly (p < 0.001) higher than that of the resting-state. The number of activated voxels were found to be higher in the brain hemisphere controlling the movement of the fingers of the sub-dominant hand for both subjects. The results support the fact that the activated motor area on the brain hemisphere during the movement of the sub-dominant hand experienced a higher hemodynamic response and a larger activated area as compared to the activated regions on the brain hemisphere controlling the finger movement of the dominant hand.
format	Article
author	Ahmad Nazlim Yusoff, Mohd Harith Hashim, Mohd Mahadir Ayob, Iskandar Kassim,
spellingShingle	Ahmad Nazlim Yusoff, Mohd Harith Hashim, Mohd Mahadir Ayob, Iskandar Kassim, Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
author_facet	Ahmad Nazlim Yusoff, Mohd Harith Hashim, Mohd Mahadir Ayob, Iskandar Kassim,
author_sort	Ahmad Nazlim Yusoff,
title	Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
title_short	Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
title_full	Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
title_fullStr	Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
title_full_unstemmed	Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
title_sort	pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri
publisher	penerbit ukm
publishDate	2006
url	http://journalarticle.ukm.my/1024/ http://journalarticle.ukm.my/1024/ http://journalarticle.ukm.my/1024/1/jurnal59.pdf
first_indexed	2023-09-18T19:32:08Z
last_indexed	2023-09-18T19:32:08Z
_version_	1777405031677427712

Pengaktifan otak akibat gerakan jari bagi subjek dominan tangan kanan dan kiri

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