Chapter 1: The Cognitive Approach: Foundations of Cognitive Psychology

The Cognitive Approach: Foundations of Cognitive Psychology introductory chapter establishes the cognitive perspective as a cornerstone of modern psychology, arguing that human experience is a product of active construction rather than a direct reflection of the physical environment. The text posits that because individuals lack immediate, unmediated access to the world, all knowledge must be filtered through complex internal systems that interpret and reorganize sensory signals. Cognition is defined as the comprehensive set of processes by which sensory input is modified, simplified, elaborated, stored, and eventually utilized to guide both behavior and internal thought. The author distinguishes this framework from radical behaviorism, which rejects internal mechanisms, and dynamic psychology, which prioritizes motivation and needs over information processing. A central theme is the "program analogy," which suggests that the mind functions similarly to computer software; just as a researcher might study a computer's programming routines without needing to focus on its physical hardware or circuitry, cognitive psychologists aim to understand the functional organization of mental events rather than solely their biological or chemical substrates. Furthermore, the chapter critiques early attempts to quantify human thought using simple units of measurement like "bits" from communication theory, noting that human beings are active, selective agents rather than passive channels. By introducing concepts such as feature extraction, parallel processing, and analysis-by-synthesis, the author proposes a two-stage model of mental construction: an initial, rapid holistic phase followed by a more focused, sequential analysis. This foundational overview provides the theoretical groundwork for exploring how visual and auditory stimuli are transformed into the rich, subjective world of perception, language, and memory.