fMRI as a lie dectector: and another thing…

Aside from the common problems of reliability and general acceptance in the scientific and legal field… which are issues with any new technology…there is another problem with using fMRI as a lie detector in the courts that is often ignored by brain porn skeptics that is perhaps the easiest to explain:

Defendants cannot be forced to testify against themselves — the Fifth Amendment. So the legal and ethical question here is: If the police put you into a machine that’s reading your mind, are you being forced to testify against yourself? At present, a person can be forced to surrender DNA. Is an f.M.R.I. scan the same thing? - Dr. Matthew Liao, neuroethicist. [via]

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    While there are legitimate concerns about the validitiy of fMRI’s being used as a lie detector (I don’t think we’re...
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