HealthDay News — Being shocked by a Taser stun gun can cause short-term cognitive impairment similar to dementia, according to a study published in Criminology & Public Policy.

It included 142 college students who volunteered to be zapped by a Taser, which delivers 50,000 volts into a person’s body, NBC News reported.

The findings raise questions about police questioning of suspects after they’ve been tased, according to the Arizona State University and Drexel University investigators.

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“There are plenty of people in prison who were tased and then immediately questioned,” researcher Robert Kane, said in a news release. “Were they intellectually capable of giving ‘knowing’ and ‘valid’ waivers of their Miranda rights before being subjected to a police interrogation?” Kane and his colleague, Michael White, said police should wait 1 hour before reading someone their Miranda rights after they’ve been tased.

Stun gun maker Taser did not respond to NBC News requests for comment.


Kane RJ, White MD. TASER® Exposure and Cognitive Impairment: Implications for Valid Miranda Waivers and the Timing of Police Custodial Interrogations. Criminol Public Policy. 2016; doi:10.1111/1745-9133.12173.