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Captology is the study of computers as persuasive technologies. This new area of inquiry explores the overlapping space between persuasion in general (influence, motivation, behavior change, etc.) and computing technology.

Child Directed Speech:

Baby talk, motherese, parentese, caretaker, or child-directed speech (CDS) is a nonstandard form of speech used by adults, particularly mothers, in talking to children. It is usually delivered with a "cooing" pattern of inflection which is different from normal adult speech: high in pitch, and with many glissando-like rises and falls in pitch which are exaggerated by comparison with normal speech.


The term cognition is used in several different loosely related ways. In psychology it is used to refer to the mental processes of an individual, with particular relation to a view that argues that the mind has internal mental states (such as beliefs, desires and intentions) and can be understood in terms of information processing, especially when a lot of abstraction or concretization is involved, or processes such as involving knowledge, expertise or learning for example are at work.

Cognitive therapy:

Cognitive therapy or cognitive behavior therapy is a kind of psychotherapy used to treat depression, anxiety disorders, phobias, and other forms of mental disorder. It involves recognising distorted thinking and learning to replace it with more realistic substitute ideas.

Theory of Cognitive Development:

According to this theory, the illogical thinking by children isn't just a mistake or a result of inexperience, but rather the child has not developed logical thought. This was a major breakthrough in developmental psychology for which Piaget was awarded the Erasmus Prize.

Cognitive dissonance:

Cognitive dissonance is a state of opposition between cognitions. For the purpose of cognitive consistency theory, cognitions are defined as being an attitude, emotion, belief or value, or even a mixture of these. In brief, the theory of cognitive dissonance holds that contradicting cognitions serve as a driving force that compel the human mind to acquire or invent new thoughts or beliefs, or to modify existing beliefs, so as to minimize the amount of dissonance (conflict) between cognitions.

Cognitive Disorder:

Cognitive therapy and its variants traditionally identify ten cognitive distortions that maintain negative thinking and help to maintain negative emotions. Eliminating these distortions and negative thought is said to improve mood and discourage maladies such as depression and chronic anxiety. The process of learning to refute these distortions is called "cognitive restructuring".

Cognitive Science:

Cognitive science is usually defined as the scientific study either of mind or of intelligence (e.g. Lugar 1994). Practically every introduction to cognitive science also stresses that it is highly interdisciplinary; it is often said to consist of, take part in, and collaborate with psychology (especially cognitive psychology), artificial intelligence, linguistics and psycholinguistics, philosophy (especially philosophy of mind), and neuroscience.


In psychology, cognitivism is a theoretical approach to understanding the mind, which argues that mental function can be understood by quantitative, positivist and scientific methods, and that such functions can be described as information processing models.

Collective unconscious:

Collective unconscious is a term of analytical psychology, and was originally coined by Carl Jung. He distinguished the collective unconscious from the personal unconscious, which is particular to each human being. The collective unconscious refers to that part of a person's unconscious which is common to all human beings.


In medicine, comorbidity describes the effect of all other diseases an individual patient might have other than the primary disease of interest. There is currently no accepted way to quantify such comorbidity.

Computer Science:

Computer science (academically, CS, CSC or compsci) encompasses a variety of topics that relates to computation, like abstract analysis of algorithms, formal grammars, and subjects such as programming languages, program design, software and computer hardware.


Conditioning is a psychological term for what Ivan Pavlov described as the learning of "conditional" behavior. Most psychologists believe that there are two types of conditioning: classical conditioning and operant conditioning.


Connectionism is an approach in the fields of cognitive science, neuroscience, psychology and philosophy of mind. Connectionism models mental or behavioral phenomena as the emergent processes of interconnected networks of simple units.


Consciousness is a quality of the mind generally regarded to comprise qualities such as subjectivity, self-awareness, sentience, sapience, and the ability to perceive the relationship between oneself and one's environment.

Critical Theory:

In the humanities and social sciences, critical theory is a general term for new theoretical developments (roughly since the 1960s) in a variety of fields, informed by structuralism, post-structuralism, deconstruction, Marxist theory, and several other areas of thought.

Cognitive neuroscience:

Cognitive neuroscience is a branch of neuroscience and biological psychology involving the study of the neural mechanisms of cognition, but sometimes is seen as part of a wider interdisciplinary study of cognition, cognitive science.