Dear Hengyi:
Beta values do not represent % signal change, at least not in the direct
sense. Please look at Matthew Brett's marsbar faq for a clear explanation
of the relationship between beta's and percent signal change.
http://marsbar.sourceforge.net/faq.html
Darren
At 03:19 PM 3/25/2005, [log in to unmask] wrote:
>Dear SPM members,
>
>If i report beta value to represent the percent signal change associated
>with the task in my paper, what references shoulf i cited?
>
>thanks and best
>
>----------------------------
>Hengyi Rao, Ph.D.
>[log in to unmask]
>Department of Neurology
>University of Pennsylvania
>3 W Gates
>3400 Spruce Street
>Philadelphia, PA, 19104
>----------------------------
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Darren R. Gitelman, M.D.
Cognitive Neurology and Alzheimer¹s Disease Center
Northwestern Univ., 320 E. Superior St., Searle 11-470, Chicago, IL 60611
Voice: (312) 908-9023 Fax: (312) 908-8789
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