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definitions - Behavior

behavior (n.)

1.(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation

2.(behavioral attributes) the way a person behaves toward other people

3.the action or reaction of something (as a machine or substance) under specified circumstances"the behavior of small particles can be studied in experiments"

4.(American)manner of acting or controlling yourself

Behavior (n.)

1.(MeSH)The observable response a person makes to any situation.

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Merriam Webster

BehaviorBe*hav"ior (�), n. Manner of behaving, whether good or bad; mode of conducting one's self; conduct; deportment; carriage; -- used also of inanimate objects; as, the behavior of a ship in a storm; the behavior of the magnetic needle.

A gentleman that is very singular in his behavior. Steele.

To be upon one's good behavior, To be put upon one's good behavior, to be in a state of trial, in which something important depends on propriety of conduct. -- During good behavior, while (or so long as) one conducts one's self with integrity and fidelity or with propriety.

Syn. -- Bearing; demeanor; manner. -- Behavior, Conduct. Behavior is the mode in which we have or bear ourselves in the presence of others or toward them; conduct is the mode of our carrying ourselves forward in the concerns of life. Behavior respects our manner of acting in particular cases; conduct refers to the general tenor of our actions. We may say of soldiers, that their conduct had been praiseworthy during the whole campaign, and their behavior admirable in every instance when they met the enemy.

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definition (more)

definition of Wikipedia

synonyms - Behavior

behavior (n.) (American)

actions, comportment, conduct, doings, behaviour  (British), demeanor  (American), demeanour  (British)

see also - Behavior

behavior (n.)

behavioral, behavioural


-Addictive Behavior • Adolescent Behavior • Agonistic Behavior • Appetitive Behavior • Assaultive Behavior • Behavior Control • Behavior Disorder, REM • Behavior Disorder, Rapid Eye Movement Sleep • Behavior Disorders • Behavior Modification • Behavior Risk Factor Surveillance System • Behavior Therapy • Behavior Therapy, Cognitive • Behavior and Behavior Mechanisms • Behavior, Adaptive • Behavior, Addictive • Behavior, Adolescent • Behavior, Animal • Behavior, Assaultive • Behavior, Child • Behavior, Compulsive • Behavior, Dangerous • Behavior, Infant • Ceremonial Behavior • Child Behavior • Child Behavior Disorders • Choice Behavior • Cognitive Behavior Therapy • Competitive Behavior • Compliant Behavior • Compulsive Behavior • Consummatory Behavior • Contraception Behavior • Contraceptive Behavior • Cooperative Behavior • Coping Behavior • Dangerous Behavior • Disruptive Behavior Disorder • Drinking Behavior • Dyssocial Behavior • Eating Behavior • Eliminative Behavior • Eliminative Behavior, Animal • Exploratory Behavior • Extramarital Sex Behavior • Feeding Behavior • Firesetting Behavior • Health Behavior • Health Care Seeking Behavior • Helping Behavior • Homing Behavior • Illness Behavior • Imitative Behavior • Impulsive Behavior • Infant Behavior • Innate Behavior • Mass Behavior • Maternal Behavior • Mating Behavior, Animal • Nesting Behavior • Novelty-Seeking Behavior • Obsessive Behavior • Paranoid Behavior • Paternal Behavior • Predatory Behavior • Premarital Sex Behavior • REM Behavior Disorder • REM Sleep Behavior Disorder • Reproductive Behavior • Risk Behavior • Risk Reduction Behavior • Runaway Behavior • Searching Behavior • Self-Destructive Behavior • Self-Injurious Behavior • Sex Behavior • Sex Behavior, Animal • Sexual Behavior • Sexual Behavior, Animal • Social Behavior • Social Behavior Disorders • Spatial Behavior • Stereotyped Behavior • Sucking Behavior • Temporal Lobectomy Behavior Syndrome • Therapy, Behavior • Therapy, Cognitive Behavior • Tool Use Behavior • Verbal Behavior • bad behavior • behavior modification • behavior therapy • code of behavior • disorderly behavior • double standard of sexual behavior • relaxation behavior • social behavior

-Abnormality (behavior) • Adab (behavior) • Adaptive Behavior • Adaptive behavior • Adaptive behavior (ecology) • Addictive behavior • Aggregate behavior • American Academy of Health Behavior • Animal Behavior Society • Anorectic Behavior Observation Scale • Anti-competitive behavior • Antisocial behavior • Applied behavior analysis • Archives of Sexual Behavior • Arresting Behavior • Association for Behavior Analysis International • Automatic behavior • Avoidance behavior • Behavior (disambiguation) • Behavior Driven Development • Behavior Genetics (journal) • Behavior Genetics Association • Behavior Research Institute • Behavior Tech Computer • Behavior Trees • Behavior analysis of child development • Behavior based AI • Behavior change • Behavior change (public health) • Behavior engineering • Behavior management • Behavior modification • Behavior modification facility • Behavior modification therapy • Behavior of nuclear fuel during a reactor accident • Behavior settings • Behavior shaping constraint • Behavior theory • Behavior-based robotics • Behavior-based safety • Behavior-shaping constraint • Body-focused repetitive behavior • Cat behavior • Catfight (animal behavior) • Child Behavior Checklist • Collective animal behavior • Collective behavior • Compulsive behavior • Compulsive sexual behavior • Counterintuitive Behavior of Social Systems • Cultural behavior • Davian behavior • Decade of Behavior • Deviant Behavior (journal) • Dialectical behavior therapy • Direct Behavior Rating • Display behavior • Disturbing Behavior • Dog behavior • Dog behavior training • Eccentricity (behavior) • Egg tossing (behavior) • Emergent behavior • Emotional impairment and externalizing behavior • Escape behavior • Everyday Behavior • Evolution and Human Behavior • Excuses for Bad Behavior • Excuses for Bad Behavior (Part One) • Excuses for Bad Behavior Part 2 • Experimental analysis of behavior • Extreme Behavior • Flocking (behavior) • Freezing behavior • Games and Economic Behavior • Genes, Brain and Behavior • Genetics of social behavior • Good Behavior • Goode Behavior • Group behavior • Healthful behavior • Helping behavior • Herd behavior • Homosexual behavior in animals • Horse behavior • Human Behavior and Evolution Society • Human behavior • Human sexual behavior • Hypersexual behavior • Imaging Lung Sound Behavior with Vibration Response Imaging • Information behavior • Investor behavior • Journal of Applied Behavior Analysis • Journal of Health and Social Behavior • Journal of Mundane Behavior • Journal of Organizational Behavior • Journal of the Experimental Analysis of Behavior • Law and Human Behavior • Legal behavior • Lipid bilayer phase behavior • List of animals displaying homosexual behavior • List of birds displaying homosexual behavior • List of mammals displaying homosexual behavior • Littering behavior • Lordosis behavior • MARS model of individual behavior • Maladaptive behavior • Mass behavior • Minnesota Eating Behavior Survey • Mobbing behavior • Model Behavior • Model Behavior (TV series) • Network Behavior Anomaly Detection • Normal Adolescent Behavior • Normal behavior • Normality (behavior) • Obedience (human behavior) • On Our Worst Behavior • Open Relay Behavior-modification System • Operant behavior • Organizational Behavior Management • Organizational citizenship behavior • Organizational retaliatory behavior • Passive–aggressive behavior • Patterns of Sexual Behavior • Physiology and Behavior • Pipping (animal behavior) • Positive behavior support • Positive organizational behavior • Professional practice of behavior analysis • Prosocial behavior • Quantitative analysis of behavior • Quantitiative Analysis of Behavior • Race, Evolution, and Behavior • Rapid eye movement behavior disorder • Rational emotive behavior therapy • Ruff Town Behavior • Self Injurious Behavior Inhibiting System • Sickness behavior • Situational sexual behavior • Social behavior • Social influences on fitness behavior • Society for Quantitative Analysis of Behavior • Society for the Study of Ingestive Behavior • Species-typical behavior • Spider behavior • Strange Behavior • Suicide and Life-Threatening Behavior • Suspensory behavior • Symbolic Behavior • Symmetry breaking in herding behavior • The Behavior of Organisms • Theories of political behavior • Theory of Games and Economic Behavior • Theory of games and economic behavior • Theory of planned behavior • Therapy interfering behavior • Totally Outrageous Behavior • Transparency (behavior) • Travel behavior • Typewriting Behavior • Undefined behavior • Uniform Behavior • Unspecified behavior • Urban Behavior • Utilization behavior • Verbal Behavior (book) • Work behavior • Youth Risk Behavior Survey

analogical dictionary


MESH root[Hyper.]

Behavior (n.) [MeSH]

behavior (n.) [American]




Behavior or behaviour (see American and British spelling differences) refers to the actions and mannerisms made by organisms, systems, or artificial entities in conjunction with their environment, which includes the other systems or organisms around as well as the physical environment. It is the response of the system or organism to various stimuli or inputs, whether internal or external, conscious or subconscious, overt or covert, and voluntary or involuntary.



In humans, behavior is believed to be controlled primarily by the endocrine system and the nervous system. It is most commonly believed that complexity in the behavior of an organism is correlated to the complexity of its nervous system. Generally, organisms with more complex nervous systems have a greater capacity to learn new responses and thus adjust their behavior.

Behaviors can be either innate or learned, however, current research in the Human Microbiome Project points towards a possibility that human behavior may be influenced by the composition of the microbe population within a human body.[1]

Behavior can be regarded as any action of an organism that changes its relationship to its environment. Behavior provides outputs from the organism to the environment.[2]


Human behavior (and that of other organisms and mechanisms) can be common, unusual, acceptable, or unacceptable. Humans evaluate the acceptability of behavior using social norms and regulate behavior by means of social control. In sociology, behavior is considered as having no meaning, being not directed at other people and thus is the most basic human action, although it can play a part in diagnosis of disorders such as the autism spectrum disorders. Animal behavior is studied in comparative psychology, ethology, behavioral ecology and sociobiology. According to moral values, human behavior may also depend upon the common, usual, unusual, acceptable or unacceptable behavior of others.

Behavior became an important construct in early 20th century psychology with the advent of the paradigm known subsequently as "behaviorism." Behaviorism was a reaction against "faculty" psychology which purported to see into or understand the mind without the benefit of scientific testing. Behaviorism insisted on working only with what can be seen or manipulated and in the early views of John B. Watson, a founder of the field, nothing was inferred as to the nature of the entity that produced the behavior. Subsequent modifications of Watson's perspective and that of "classical conditioning" (see under Ivan Pavlov) led to the rise of operant conditioning or "radical behaviorism," a theory advocated by B.F. Skinner, which took over the academic establishment up through the 1950s and was synonymous with "behaviorism" for many.

For studies on behavior, ethograms are used.

  Other fields

Behavior outside of psychology includes physical property and chemical reactions.

  Computer science

Behavior as used in computer science is an anthropomorphic construct that assigns "life" to the activities carried out by a computer, computer application, or computer code in response to stimuli, such as user input. Also, "a behavior" is a reusable block of computer code or script that, when applied to an object, especially a graphical one, causes it to respond to user input in meaningful patterns or to operate independently. Also, behavior is a value that changes over time[3] (one of the key concepts in functional reactive programming). The term can also be applied to some degree to functions in mathematics, referring to the anatomy of curves.

  Earth sciences

In environmental modeling and especially in hydrology, a "behavioral model" means a model that is acceptably consistent with observed natural processes, i.e., that simulates well, for example, observed river discharge. It is a key concept of the so-called Generalized Likelihood Uncertainty Estimation (GLUE) methodology to quantify how uncertain environmental predictions are.

  See also


  External links



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