Title :
Normal aging and brain functional connectivity of primary motor cortex: a functional MRI (fMRI) study
Author :
Niazy, Rami K. ; Qiu, Maolin ; Deng, Zhensheng ; Enderle, John ; Lai, Song
Author_Institution :
Biomed. Eng. Dept., Connecticut Univ., Storrs, CT, USA
Abstract :
Functional magnetic resonance imaging (fMRI) techniques and image processing tools have been applied to investigate the effects of normal aging on brain functional connectivity of primary motor cortex. Task activation and resting state fMRI time series images of healthy young and elderly subjects were collected, and then activation and connectivity maps were constructed for the two age groups. Preliminary results tend to suggest that primary motor cortex functional connectivity is not altered by normal aging. Work is in progress to refine image post-processing algorithms and to study more subjects
Keywords :
biomedical MRI; brain; geriatrics; haemodynamics; medical image processing; time series; BOLD signals; activation maps; brain functional connectivity; connectivity maps; elderly subjects; functional MRI; hemodynamic fluctuations; image post-processing algorithms; normal aging effects; primary motor cortex; resting state; task activation; temporal correlation; time series images; young subjects; Aging; Biomedical imaging; Blood flow; Brain; Computed tomography; Fluctuations; Frequency; Hemodynamics; Image processing; Magnetic resonance imaging;
Conference_Titel :
Bioengineering Conference, 2002. Proceedings of the IEEE 28th Annual Northeast
Conference_Location :
Philadelphia, PA
Print_ISBN :
0-7803-7419-3
DOI :
10.1109/NEBC.2002.999511