Prof. Cryan has an H-Index of 57 (Google Scholar) having published over 250 peer-reviewed articles and book chapters including articles in high-impact journals such as PNAS, Neuron, Nature Reviews Neurosci. Molecular Psychiatry, Biological Psychiatry, Progress in Neurobiology, Nature Reviews Drug Discovery, Gastroenterology, Gut and Journal of Neuroscience. He has edited books on "Behavioural Neurogenetics" (Springer Press, 2012) on "Depression: From Psychopathology to Pharmacotherapy" (Karger Press, 2010) and "Microbial Endocrinology: The Microbiota-Gut-Brain Axis in Health and Disease" (Springer Press, 2014).
Prof. Cryan was recently selected as a Highly Cited Researcher by Thomson Reuters. Those researchers who, within an ESI-defined field, published Highly Cited Papers were judged to be influential, so the production of multiple top 1% papers was interpreted as a mark of exceptional impact. Professor Cryan, as a member of the Highly Cited Researcher List is also included in the 2014 The World's most Influential Scientific Minds