What is Cognitive Science?

The science of cognition

. how we perceive
. how we learn, think and reason
. how we (plan to) speak, act etc.
. of what is involved in mapping sensory input to motor output
. that is, of what the brain does

The investigation of the brain

both structure and function! in order to find out how the brain does what it does

The study of the 'wheels of the mind'

. viewing 'what the brain does' as computation or information processing
. modelling the functions of the mind as aspects of information processing systems

Cognitive(medical definition): Pertaining to the mental process of thought, including perception, reasoning, intuition and memory