The document discusses various topics in cognitive science including brain imaging techniques like PET and fMRI scans, neurological disorders like phantom limb syndrome and hemispatial neglect, mirror neurons, linguistics concepts like syntax, semantics and phonetics, Noam Chomsky's theory of an innate universal grammar, theory of mind, and the central role of DNA in evolution and development of cognitive abilities in humans. It provides an overview of the contributions of scientists like Eric Kandel, Robert Kuhn, Stephen Morres, and Roger Sperry to the field of cognitive science.