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Feasibility and Test-Retest Reliability of an Electroencephalography-Based Brain Mapping System in Children With Cerebral Palsy: A Preliminary Investigation 

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Presentation on theme: "Feasibility and Test-Retest Reliability of an Electroencephalography-Based Brain Mapping System in Children With Cerebral Palsy: A Preliminary Investigation "— Presentation transcript:

1 Feasibility and Test-Retest Reliability of an Electroencephalography-Based Brain Mapping System in Children With Cerebral Palsy: A Preliminary Investigation  Nam G. Lee, PT, MS, Sung K. Kang, PT, Dong R. Lee, PT, MS, Han J. Hwang, MS, Ji H. Jung, PT, MS, Joshua (Sung) H. You, PT, PhD, Chang H. Im, PhD, Dong A. Kim, MD, PhD, Jung A. Lee, PT, PhD, Ki S. Kim, MS  Archives of Physical Medicine and Rehabilitation  Volume 93, Issue 5, Pages (May 2012) DOI: /j.apmr Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

2 Fig 1 Experimental setup.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

3 Fig 2 The experimental paradigm used for EEG recording: after presenting a letter I at the center of the monitor for 2 seconds, a black arrow cue appeared randomly on either the left or right side of the screen for the next 1.25 seconds, which signaled the child to initiate either left or right hand motor execution. The sequence of left and right hand movement tasks and the resting period between consecutive trials were randomized. The EEG data recorded for 3 seconds (4.25–7.25s interval) were used for the data analysis. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

4 Fig 3 Electrode placement according to an extended system and representative brain mapping areas of ROIs (red color). Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

5 Fig 4 ERS/ERD maps of (A) a healthy child and (B) a child with hemiparetic CP. The color scale is adjusted according to the maximum and minimum power spectra value for each subject. The maximum band power increase (ERS) and the maximum band power decrease (ERD) are coded in dark red and blue, respectively. Positive and negative deflections of longitudinal time graphs indicate a band power increase (ERS) and decrease (ERD), respectively. Abbreviation: ME, movement execution. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

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