Primary stimulus for growth of cognitive psychology came from outside academic psychology: developments in logic, mathematics, computer science, themselves products of applied research during wwii. Noam chomsky key figure in linguistics. Cybernetics: norbert wiener (1894 1964, designed servomechanisms: detecting moving targets (e. g. Torpedos) self-regulating: they are goal-oriented and self-regulate based on feedback from target. Spend attention depending on current goals (various depths) Use of information (i. e. what is it?) and applying the information (i. e. how does this make me feel?) Symbolic logic equated with electronic circuitry and neural networks (active metaphor: turing machine performs set of store instructions, set of instruction = program, universal turing machine = early computer. The human mind works in binary code just like computers we just need to figure out the code. John von neumann (1903 1957: oversaw construction of wwii computer, eniac: electronic numerical integrator and automatic computer, software vs. hardward vs. wetware. Software: the programs and other operating information used by a computer.