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Memory Impairment

STUDY: Δ9tetrahydrocannabinol impairs visuo-spatial associative learning and spatial working memory in rhesus macaques

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ABSTRACT: Cannabis remains the most commonly abused illicit drug and is rapidly expanding in quasi-licit use in some jurisdictions under medical marijuana laws. Effects of the psychoactive constituent Δ9tetrahydrocannabinol (Δ9THC) on cognitive function remain of pressing concern. Prior studies in monkeys have not shown consistent evidence of memory specific effects of Δ9THC ... Continue Reading

STUDY: Memory Impairment – Cannabinoid receptor CB1 mediates baseline and activity-induced survival of new neurons in adult hippocampal neurogenesis

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ABSTRACT: Background Adult neurogenesis is a particular example of brain plasticity that is partially modulated by the endocannabinoid system. Whereas the impact of synthetic cannabinoids on the neuronal progenitor cells has been described, there has been lack of information about the action of plant-derived extracts on neurogenesis. Therefore we here focused on the effects ... Continue Reading

STUDY: Memory Impairment – The effect of cannabis use on memory function: an update

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ABSTRACT: Investigating the effects of cannabis use on memory function appears challenging. While early observational investigations aimed to elucidate the longer-term effects of cannabis use on memory function in humans, findings remained equivocal and pointed to a pattern of interacting factors impacting on the relationship between cannabis use and memory function, rather ... Continue Reading

STUDY: Towards a better cannabis drug

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ABSTRACT: This commentary discusses the importance of a new study entitled ‘Cannabidiol attenuates deficits of visuo-spatial associative memory induced by Δ9-tetrahydrocannabinol’ by Wright et al. from the Scripps Institute in La Jolla, California. The results in this study show that the non-psychoactive cannabis constituent cannabidiol opposes some, but not all, forms of ... Continue Reading

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