The Psychology Portal

Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the natural and social sciences. Biological psychologists seek an understanding of the emergent properties of brains, linking the discipline to neuroscience. As social scientists, psychologists aim to understand the behavior of individuals and groups.

A professional practitioner or researcher involved in the discipline is called a psychologist. Some psychologists can also be classified as behavioral or cognitive scientists. Some psychologists attempt to understand the role of mental functions in individual and social behavior. Others explore the physiological and neurobiological processes that underlie cognitive functions and behaviors.


Psychologists are involved in research on perception, cognition, attention, emotion, intelligence, subjective experiences, motivation, brain functioning, and personality. Psychologists' interests extend to interpersonal relationships, psychological resilience, family resilience, and other areas within social psychology. They also consider the unconscious mind. Research psychologists employ empirical methods to infer causal and correlational relationships between psychosocial variables. Some, but not all, clinical and counseling psychologists rely on symbolic interpretation. (Full article...)

William Hogarth's A Rake's Progress, depicting the world's oldest psychiatric hospital, Bethlem Hospital

Insanity in English law is a defence to criminal charges based on the idea that the defendant was unable to understand what he was doing, or, that he was unable to understand that what he was doing was wrong.

The defence comes in two forms; where the defendant claims he was insane at the time of the crime, and where the defendant asserts he is insane at the time of trial. In the first situation, the defendant must show that he was either suffering from a disease which damaged the functioning of the mind and led to a defect of reason that prevented him from understanding what he was doing, or that he could not tell that what he was doing was wrong. In the second situation, the test is whether or not the defendant can differentiate between "guilty" and "not guilty" verdicts, instruct counsel and recognise the charges he is facing. If successful, he is likely to be detained under the Criminal Procedure (Insanity) Act 1964, although judges have a wide discretion as to what to do. (Full article...)

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Illustration from A Rake's Progress, by William Hogarth (circa 1730s), showing Bethlem Royal Hospital, (origin of the word bedlam)
image credit: public domain

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  • "No man's knowledge here can go beyond his experience." — John Locke

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Karen Horney (/ˈhɔːrn/; née Danielsen; 16 September 1885 – 4 December 1952) was a German psychoanalyst who practiced in the United States during her later career. Her theories questioned some traditional Freudian views. This was particularly true of her theories of sexuality and of the instinct orientation of psychoanalysis. She is credited with founding feminist psychology in response to Freud's theory of penis envy. She disagreed with Freud about inherent differences in the psychology of men and women, and like Adler, she traced such differences to society and culture rather than biology. (Full article...)

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Meredith Eaton-Gilden

  • ...that there appears to be no localized consciousness in the human brain?

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