This book focuses on the biology, behaviours and disorders of monkeys. Topics discussed include the use of non-human primates in biogerontology; cognitive correlates of communication in primates; effects of the adverse rearing experience on the organisation of the brain and behaviour among non-human primates; parent-infant relationships in Marmosets; planning abilities of monkeys; neuropeptides in the monkey brainstem and developmental neuronal toxicity and the Rhesus monkey.