Manuel Ruiz studied cognitive psychology at Granada University under the supervision of Prof.Teresa Bajo. His research interests involve language and memory inhibitory processes in recreational drug users. Manuel is currently investigating the effect recreational use of cocaine and khat on language and cognitive processes cognition.
- Acute khat use reduces response conflict in habitual users. (2013)
- Khat use is associated with increased response conflict in humans. (2012)
- Long-term effects of khat use: impaired inhibitory control. (2011)
- Khat use is associated with impaired working memory and cognitive flexibility. (2011)