AP PSYCHOLOGY

Detailed explanation-1: -In this approach he reasoned that the mental act of consciousness must be an important biological function.

Detailed explanation-2: -Functionalism denies that a given type of mental state is to be characterized in terms of its intrinsic properties, its constitution or ontology. Instead, mental types are fundamentally relational, where the relevant relata include input stimuli, output behaviors, and other mental states.

Detailed explanation-3: -The origins of functionalism are traced back to William James, the renowned American psychologist of the late 19th century.

Detailed explanation-4: -Functionalism, as developed by Talcott Parsons (1902–1979), provided a bridge between classical and modern sociology.