Cognitive psychology Totally Explained

Everything about Cognitive Psychology totally explained

Cognitive psychology is a school of thought in psychology that examines internal mental processes such as problem solving, memory, and language. It had its foundations in the Gestalt psychology of Max Wertheimer, Wolfgang Köhler, and Kurt Koffka, and in the work of Jean Piaget, who provided a theory of stages/phases that describe children's cognitive development. Cognitive psychologists are interested in how people understand, diagnose, and solve problems, concerning themselves with the mental processes which mediate between stimulus and response. Cognitive theory contends that solutions to problems take the form of algorithms—rules that are not necessarily understood but promise a solution, or heuristics—rules that are understood but that don't always guarantee solutions. In other instances, solutions may be found through insight, a sudden awareness of relationships.

History

Ulric Neisser coined the term 'cognitive psychology' in his book published in 1967 (Cognitive Psychology), wherein Neisser provides a definition of cognitive psychology characterizing people as dynamic information-processing systems whose mental operations might be described in computational terms. Also emphasising that it's a point of view which postulates the mind as having a certain conceptual structure. Neisser's point of view endows the discipline a scope which expands beyond high-level concepts such as "reasoning", often espoused in other works as a definition of cognitive psychology. Neisser's definition of cognition illustrates this well:

...the term "cognition" refers to all processes by which the sensory input is transformed, reduced, elaborated, stored, recovered, and used. It is concerned with these processes even when they operate in the absence of relevant stimulation, as in images and hallucinations... Given such a sweeping definition, it's apparent that cognition is involved in everything a human being might possibly do; that every psychological phenomenon is a cognitive phenomenon. But although cognitive psychology is concerned with all human activity rather than some fraction of it, the concern is from a particular point of view. Other viewpoints are equally legitimate and necessary. Dynamic psychology, which begins with motives rather than with sensory input, is a case in point. Instead of asking how a man's actions and experiences result from what he saw, remembered, or believed, the dynamic psychologist asks how they follow from the subject's goals, needs, or instincts.

Cognitive psychology is radically different from previous psychological approaches in two key ways.

It accepts the use of the scientific method, and generally rejects introspection as a valid method of investigation, unlike symbol-driven approaches such as Freudian psychology.
It explicitly acknowledges the existence of internal mental states (such as belief, desire and motivation) unlike behaviorist psychology.

The school of thought arising from this approach is known as cognitivism.
   Cognitive psychology is one of the more recent additions to psychological research, having only developed as a separate area within the discipline since the late 1950s and early 1960s (though there are examples of cognitive thinking from earlier researchers). The cognitive approach was brought to prominence by Donald Broadbent's book Perception and Communication in 1958. Since that time, the dominant paradigm in the area has been the information processing model of cognition that Broadbent put forward. This is a way of thinking and reasoning about mental processes, envisioning them as software running on the computer that's the brain. Theories refer to forms of input, representation, computation or processing, and outputs. Applied to language as the primary mental knowledge representation system, cognitive psychology has exploited tree and network mental models. Its singular contribution to AI and psychology in general is the notion of a semantic network. One of the first cognitive psychologists, George Miller is well-known for dedicating his career to the development of WordNet, a semantic network for the English language. Development began in 1985 and is now the foundation for many machine ontologies.
This way of conceiving mental processes has pervaded psychology more generally over the past few decades, and it isn't uncommon to find cognitive theories within social psychology, personality psychology, abnormal psychology, and developmental psychology; the application of cognitive theories to comparative psychology has driven many recent studies in animal cognition.
   The information processing approach to cognitive functioning is currently being questioned by new approaches in psychology, such as dynamical systems, and the embodiment perspective.
   Because of the use of computational metaphors and terminology, cognitive psychology was able to benefit greatly from the flourishing of research in artificial intelligence and other related areas in the 1960s and 1970s. In fact, it developed as one of the significant aspects of the inter-disciplinary subject of cognitive science, which attempts to integrate a range of approaches in research on the mind and mental processes.

Major research areas in cognitive psychology

Perception

General perception

Psychophysics

Attention and Filter theories (the ability to focus mental effort on specific stimuli whilst excluding other stimuli from consideration)

Pattern recognition (the ability to correctly interpret ambiguous sensory information)

Object recognition

Time sensation (awareness and estimation of the passage of time) Categorization

Category induction and acquisition

Categorical judgement and classification

Category representation and structure

Similarity (psychology) Memory

Aging and memory

Autobiographical memory

List of memory biases

Working memory Knowledge representation

Mental imagery

Propositional encoding

Imagery versus proposition debate

Dual-coding theories

Mental models Numerical cognition Language

Grammar and linguistics

Phonetics and phonology

Language acquisition Thinking

Choice (see also: Choice theory)

Concept formation

Decision making

Judgment and decision making

Logic, formal and natural reasoning

Problem solving

Influential cognitive psychologists

George Armitage Miller

Jean Piaget

Henry L. Roediger III

Eleanor Rosch

Larry Squire

Lev Vygotsky Further Information

Get more info on 'Cognitive Psychology'.

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