120 results found

Search Results for: stimulus

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Subliminal stimulus

Definition noun, plural: subliminal stimuli (physiology) A stimulus inadequate to generate an action potential and thereby... Read More

Liminal stimulus

Liminal stimulus --> threshold stimulus a stimulus of threshold strength, i.e., one just strong enough to excite. See:... Read More

Neutral stimulus

Definition noun, plural: neutral stimuli In classical conditioning, it is the type of stimulus that initially or normally... Read More

Supraliminal stimulus

Definition noun, plural: supraliminal stimuli A stimulus above the threshold of sensation or of awareness Supplement In... Read More

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

Unconditioned stimulus

Definition noun, plural: unconditioned stimuli In classical conditioning, it is a type of stimulus that evokes an... Read More

Stimulus substitution

stimulus substitution --> classical conditioning (Science: psychology) learning that takes place when a conditioned... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Classical conditioning

Definition noun A form of conditioning or associative learning first demonstrated by Ivan Pavlov (a physiologist,... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Graded potential

Definition noun, plural: graded potentials A change in the electrical potential on the membrane of an excitable cell (e.g. a... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Respondent conditioning

Definition noun A form of conditioning or associative learning first demonstrated by Ivan Pavlov (a physiologist,... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Tropism

Definition noun, plural: tropisms A movement or growth response of a cell or an organism to a stimulus, which may either be... Read More

Thigmotropism

Definition noun Growth or movement of a cell or an organism in response to touch Supplement In general, tropism is an... Read More

Kinesis

Definition noun, plural: kineses A behavioral response of a cell or an organism to a stimulus but not directionally oriented... Read More

Nastic movement

Definition noun, plural: nastic movements The non-directional movement (of plants) in response to a stimulus (e.g. humidity,... Read More

Chemotropism

Definition noun Growth or movement response of a cell or an organism to chemicals Supplement In general, tropism is an... Read More

Reflex

Definition noun, plural: reflexes (physiology) An innate, immediate involuntary action to a stimulus without prior conscious... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Escape conditioning

Definition noun A form of conditioning in which the subject learns to perform a behavior that terminates an aversive... Read More

Heliotropism

Definition noun Growth or movement of a cell or an organism in response to the direction of the sun Supplement In general,... Read More

Implosive therapy

Definition noun A form of behavior therapy in which it utilizes a method for extinguishing anxiety through saturation... Read More

Gravitropism

Definition noun Growth or movement response of a cell or an organism to gravity Supplement Tropism is an involuntary... Read More

Electrotropism

Definition noun Growth or movement of a cell or an organism in response to an electric field Supplement In general, tropism... Read More

Phototropism

Definition noun, plural: photoropisms Growth or movement response of a cell or an organism to light Supplement In general,... Read More

Taxis

Definition noun, plural: taxes A behavioral response of a cell or an organism to an external stimulus, which may either be... Read More

Hydrotropism

Definition noun Growth or movement response of a cell or an organism to moisture or water Supplement In general, tropism is... Read More

Control of Body Movement

Motor Control Hierarchy A motor program is the pattern of neural activities required to perform a movement is created and... Read More

Consciousness and Behavior

States of Consciousness Defined either by (1) behavior - ranging from attentive and alert to coma and (2) electrical... Read More

Reflex arc

Definition noun, plural: reflex arcs A neural pathway that controls reflex reactions Supplement In physiology, a reflex... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Thigmonasty

Definition noun A form of nastic movement (of a plant or a fungus) as a response to touch or vibration Supplement Nastic... Read More

Human Perception – Neurology

A better understanding of human perception unlocks the key to how the mind works, an advantage when working with people with... Read More

Irritability

Definition noun (physiology) The ability of the cell to receive and respond to a stimulus. (pathology) The excessive... Read More

Objectives

objective sensation A sensation caused by a verifiable stimulus. primary sensation, a sensation that is the direct result of... Read More

Proprioceptor

Definition noun, plural: proprioceptors A sensory receptor located in the subcutaneous tissues, and is capable of detecting... Read More