The cognitive effects of cannabis

As a psychoactive substance, cannabis has various cognitive effects at the point of use, which generally fade within a few hours. With heavy, long-term use, more permanent cognitive effects may result, although the consensus on this within the scientific community is shaky.

Research into the acute cognitive effects of cannabis

An important review of the existing literature published in 2012 notes that researchers first began investigating the acute cognitive effects (those experienced from 0-6 hours after consumption) of cannabis use in the 1970s, and have found consistent evidence of alterations to learning and memory function. However, results of research into cannabis’ effects on higher executive function have been less conclusive.

Cannabis has various cognitive effects, on memory and executive function in particular (© PinkPersimmon)

Cannabis has various cognitive effects, on memory and executive function in particular (© PinkPersimmon)

The effect...

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