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Definition The olfactory system is the part of the body responsible for detecting and processing ...

Definition The occipital lobe is one of the four main regions of the brain, located at the back o...

Definition Obsessive-Compulsive and Related Disorders (OCRDs) are a group of mental health condit...

Definition When the researcher's expectations influence the data. Example In a 1963 study conduc...

Definition Research in which the investigator observes and records behavior without manipulating ...

Definition Observational learning is a process where individuals acquire knowledge, skills, or be...

Definition Object permanence is a cognitive milestone in child development where an infant learns...

Definition A statement that there is no effect or no relationship between variables. Example A r...

Definition Nonmaterial culture refers to the intangible aspects of a society that include shared ...

Definition Non-associative learning refers to a type of learning process where an organism learns...

Definition Nociception is the process by which the body detects potentially harmful stimuli, such...

Definition A neurotransmitter is a chemical messenger in the brain that allows neurons (specializ...

Definition Plasticity, also known as neuroplasticity, refers to the ability of the human nervous ...

Neurodevelopmental Disorders Neurodevelopmental disorders are conditions that originate in the de...

Definition Negative reinforcement is a concept in operant conditioning where a behavior is streng...

Definition Negative punishment in operant conditioning refers to a behavior modification techniqu...

Definition The Multiple Intelligences Theory is a framework proposed by psychologist Howard Gardn...

Definition The motor cortex is a region of the brain located in the frontal lobe that plays a cru...

Definition Motivational interviewing is a goal-oriented counseling approach that helps individual...

Definition Motivation is the driving force that compels individuals to act or behave in a certain...