Study participants subjected to Taser shocks and then tested for cognitive impairment showed short-term declines in brain functioning -- dysfunction on par with dementia. It calls into question the legitimacy of police questioning in the immediate aftermath of an arrest involving the use of a Taser.

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Study participants subjected to Taser shocks and then tested for cognitive impairment showed short-term declines in brain functioning -- dysfunction on par with dementia. It calls into question the legitimacy of police questioning in the immediate aftermath of an arrest involving the use of a Taser.