The 2011 volume of The Year in Cognitive Neuroscience presents leading scientists current thinking on topics including: challenges and opportunities in social neuroscience; the neurobiological basis of seeing words; bayesian models of uncertainty, behavior, and the brain; behavioral and neural evidence for the porous boundaries between explicit and implicit memory;perception of auditory signals; human category learning 2.0; animal emotion; and the human connectome.  NOTE: Annals volumes are available for sale as individual books or as a journal. For information on institutional journal subscriptions, please click here. ACADEMY MEMBERS: Please contact the New York Academy of Sciences directly to place your order (www.nyas.org). Members of the New York Academy of Science receive full-text access to the Annals online and discounts on print volumes. Please visit http://www.nyas.org/MemberCenter/Join.aspx for more information about becoming a member.