Fisk, J, Montgomery, C, Wareing, M and Newcombe, R (2005) Syllogistic reasoning performance in MDMA (Ecstasy) users. Experimental and Clinical Psychopharmacology, 13 (2). pp. 137-145. ISSN 1064-1297
Fisk, J and Sharp, CA (2004) Age-related impairment in executive functioning: Updating, inhibition, shifting, and access. Journal of Clinical and Experimental Neuropsychology, 26 (7). pp. 874-890. ISSN 1380-3395
Fisk, J and Sharp, C (2002) Syllogistic reasoning and cognitive ageing. Quarterly Journal of Experimental Psychology, 55A (4). pp. 1273-1293. ISSN 0272 4987