Christopher, G., Sharma, K., Fallon, S. J., Davis, T., Ankrett, S., Munro, G., & Coulthard, E. (2022). Caffeine and attentional control: Improved and impaired performance in healthy older adults and Parkinson’s disease according to task demands. Psychopharmacology, 239(2), pp. 605-619. doi:10.1007/s00213-021-06054-9

Christopher, Gary, Kanch Sharma, Sean James Fallon, Thomas Davis, Scott Ankrett, Greg Munro, and Elizabeth Coulthard. "Caffeine and Attentional Control: Improved and Impaired Performance in Healthy Older Adults and Parkinson’s Disease According to Task Demands." Psychopharmacology 239, no. 2 (2022): 605-619.

Christopher, Gary, et al. "Caffeine and Attentional Control: Improved and Impaired Performance in Healthy Older Adults and Parkinson’s Disease According to Task Demands." Psychopharmacology 239.2 (2022): 605-619.