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Dear DCM experts, This is my first time to use DCM in SPM12. Thus, I want to confirm my results pattern of DCM look okay. Please help me out for my better understanding. I did Bayesian Modeling selection with bma using 130 healthy subjects inSPM12. My nine models fit well to my data set. but when I looked at mean DCM parameters (i.e., *mEp.A, mEpB*), they seem to be low; both mEp.A and mEp.B range from -0.0000 to 0.016. I wonder these low range of mean DCM parameters estimates may indicate a possibility that I did something wrong when doing DCM in some steps. or would it be fine just to have such low range of mean parameters for the purpose of publications? Any opinion and/or comments would be appreciated! Many thanks in advance! Sincerely, Yu Sun -- ------------------------------- Yu Sun Chung, PhD Postdoctoral Fellow Clinical Neuroscience and Development Laboratory Olin Neuropsychiatry Research Center 200 Retreat Avenue Whitehall Building- Institute of Living Hartford CT 06106 Phone:860-545-7144 Fax: 860-545-7797 Email: [log in to unmask] <[log in to unmask]>