
Kennedy DO, Haskell CF, Wesnes KA, Scholey AB (2004) Improved cognitive performance in human volunteers following administration of guaraná (Paullinia cupana) extract: comparison and interaction with Panax ginseng. Pharmacology, Biochemistry & Behavior 79(3):401-11.
Smallwood J, O'Connor RC, Sudberry MV, Haskell CF, Ballantyne C (2004) The consequences of encoding information on the maintenance of internally generated images and thoughts: The role of meaning complexes. Consciousness and Cognition 13:789-820.
Haskell CF, Kennedy DO, Wesnes KA, Scholey AB (2005) Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine. Psychopharmacology 179:813-25.
Kennedy DO, Little W, Haskell CF, Scholey AB (2006) Anxiolytic effects of a combination of Melissa officinalis and Valeriana officinalis during laboratory induced stress. Phytotherapy Research 20:96-102.
Kennedy DO, Pace S, Haskell C, Okello EJ, Milne A, Scholey AB (2006) Effects of cholinesterase inhibiting sage (Salvia officinalis) on mood, anxiety and performance on a psychological stressor battery. Neuropsychopharmacology 31(4):845-52.
Kennedy DO, Haskell CF, Mauri PL, Scholey AB (2007) Acute cognitive effects of standardised Ginkgo biloba extract complexed with phosphatidylserine. Human Psychopharmacology - Clinical and Experimental. 22(4):199-210.
Kennedy DO, Jackson PA, Haskell CF, Scholey AB (2007) Modulation of cognitive performance following single doses of 120mg Ginkgo biloba extract administered to healthy young volunteers. Human Psychopharmacology 22:559-66.
Haskell CF, Kennedy DO, Wesnes KA, Milne AL, Scholey AB (2007) A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guaraná in humans. Journal of Psychopharmacology 21:65-70.
Kennedy DO, Haskell CF, Robertson B, Reay J, Brewster-Maund C, Luedemann J, Maggini S, Ruf M, Zangara A, Scholey AB (2008) Improved cognitive performance and mental fatigue following a multi-vitamin and mineral supplement with added guaraná (Paullinia cupana). Appetite 50:506-13.
Haskell CF, Scholey AB, Jackson PA, Elliott JM, Defeyter MA, Greer J, Robertson BC, Buchanan T, Tiplady B, Kennedy DO (2008) Cognitive and mood effects in healthy children during 12 weeks supplementation with multi-vitamin/minerals. British Journal of Nutrition 100:1086-1096.
Haskell CF, Kennedy DO, Milne AL, Wesnes KA, Scholey AB (2008) The effects of l-theanine, caffeine and their combination on cognition and mood. Biological Psychology 77:113-22.
Scholey AB and Haskell CF (2008) Neurocognitive effects of Guaraná [invited review]. Drugs of the Future 33:869-874.
Scholey AB, Haskell CF, Robertson B, Kennedy DO, Milne A, Wetherell M (2009) Chewing gum alleviates negative mood and reduces cortisol during acute laboratory psychological stress. Physiology and Behavior 97:304-12.
Kennedy DO, Jackson PA, Elliott JM, Scholey AB, Robertson BC, Greer J, Tiplady B, Buchanan T, Haskell CF (2009) Cognitive and mood effects of 8 weeks' supplementation with 400 mg or 1000 mg of the omega-3 essential fatty acid docosahexaenoic acid (DHA) in healthy children aged 10-12 years. Nutritional Neuroscience 12:48-56.
Kennedy DO, Wightman EL, Reay JL, Lietz G, Okello EJ, Wilde A, Haskell CF (2010) Effects of resveratrol on cerebral blood flow parameters and cognitive performance in humans: a double-blind, placebo-controlled, crossover investigation. American Journal of Clinical Nutrition 91:1590-7.
Kennedy DO, Veasey R, Watson A, Dodd F, Jones E, Maggini S, Haskell CF (2010) Effects of high-dose B vitamin complex with vitamin C and minerals on subjective mood and performance in healthy males. Psychopharmacology 211:55-68.
Haskell CF, Robertson BC, Jones E, Forster J, Jones R, Wilde A, Maggini S, Kennedy DO (2010) Effects of a multi-vitamin/mineral supplement on cognitive function and fatigue during extended multi-tasking. Human Psychopharmacology 25:448-61.
Scholey A, French S, Morris P, Kennedy D, Milne A, Haskell C (2010) Consumption of cocoa flavanols results in acute improvements in mood and cognitive performance during sustained mental effort. Journal of Psychopharmacology 24:1505-14.
Kennedy DO and Haskell CF (2011) Cerebral blood flow and behavioural effects of caffeine in habitual and non-habitual consumers of caffeine: A Near Infrared Spectroscopy study. Biological Psychology 86:298-306.
Kennedy DO, Veasey R, Watson A, Dodd F, Jones E, Tiplady B, Haskell CF (2011) Vitamins and psychological functioning: a mobile phone assessment of the effects of a B vitamin complex, vitamin C and minerals on cognitive performance and subjective mood and energy. Human Psychopharmacology: Clinical and Experimental 26:338-47.
Kennedy D, Dodd F, Robertson B, Okello E, Reay J, Scholey A, Haskell C (2011) Monoterpenoid extract of sage (Salvia lavandulaefolia) with cholinesterase inhibiting properties improves cognitive performance and mood in healthy adults. Journal of Psychopharmacology 25:1088-1100.
Kennedy DO, Jones E, Haskell CF (2011) Vitamin status, cognition and mood in cognitively intact adults. In Benton D (Ed) Lifetime nutritional influences on cognition, behaviour and psychiatric illness. Woodhead publishing, pp 194-250.
Kennedy DO and Haskell CF (2011) Vitamins and Cognition: What is the Evidence? Drugs 71(15):1957-71.
Wightman EL, Haskell CF, Forster JS, Veasey RC, & Kennedy DO (2012) Epigallocatechin gallate (EGCG), cerebral blood flow parameters, cognitive performance and mood in healthy humans: a double-blind, placebo-controlled, crossover investigation. Human Psychopharmacology 27:177-86
Brain, Performance and Nutrition Research Centre
School of Life Sciences
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Northumbria University
Newcastle upon Tyne
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t: 44 (0) 191 2048818
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