Psychologists and neuroscientists have divided memory systems into two broad (34) ________, declarative and nondeclarative. The declarative memory system is the system of memory (35) ______ is perhaps the most familiar. It is the memory system that has a conscious component and it includes the memories of facts and events. A fact like 'Paris is the capital of France', or an event like a prior vacation to Paris.

Nondeclarative memory, also called implicit memory, includes the (36) ________ of memory systems that do not have a conscious component but are nevertheless extremely significant. They include the memories for skills and habits (e.g., riding a bicycle, driving a car, playing golf or tennis or a piano), a phenomenon called priming, simple forms of associative learning and finally (37)_______ simple forms of nonassociative learning such as habituation and sensitization. Declarative memory is "knowing what"; (38) ________, nondeclarative memory is "knowing how".

(Adapted from John H. Byrne, Ph.D., Department of Neurobiology and Anatomy, McGover Medical School)