1. In psychology, the quality of being sensitive. As, for example, sensitivity training, training in small groups to develop a sensitive awareness and understanding of oneself and of ones relationships with others. 2. In disease epidemiology, the ability of a system to detect epidemics and other changes in disease occurrence. 3. In screening for a [..]

See: Analytic sensitivity.

In medicine, sensitivity may describe how well a test can detect a specific disease or condition in people who actually have the disease or condition. No test has 100% sensitivity because some people [..]

True positive rate (see Confusion matrix).

Extent (usually expressed as a percentage) to which a method gives results that are free from false negatives. Note 1: The fewer the false negatives, the greater the sensitivity. Note 2: Quantitativel [..]

The smallest change in a measurement that can be recorded by an instrument.

A measure of the impact that improper disclosure of information may have on an enterprise.

Degree of responsiveness of a film to light.

The degree to which a photographic emulsion or a digital camera reacts to light. Fast film, for example, has greater sensitivity than slow film.

In the clinical laboratory: 1. a test's ability to correctly identify individuals who have a given disease or disorder; 2. ability of a test to detect small amounts of a substance or to measure a reaction

1803, from sensitive + -ity. Sensitivity training attested by 1954.

The proportion (or percentage) of people who truly have the condition of interest who test positive for that condition.

The ability of a population, an individual or a tissue, relative to the abilities of others, to respond in a qualitatively normal fashion to a particular drug dose. The smaller the dose required to pr [..]

The sensitivity of a test is the probability of it giving a positive result if infection is truly present. As the sensitivity of the test increases the proportion of false negatives decreases.

See ISO. Read articles that include this term

In radio terminology, the degree to which a receiver will respond to an input of given strength. The greater the sensitivity, the weaker are the signals detected. See threshold signal.

The capacity of a system to respond to stimulation. Awareness of the needs and emotions of others to avoid hurt. [D03267]

The reciprocal of the amount of light necessary to achieve a desired output response.…

How well a test detects what it is testing for. It is the proportion of people with the disease or condition that are correctly identified by the study test. For example, a test with a sensitivity of [..]

(physiology) responsiveness to external stimuli; the faculty of sensation; "sensitivity to pain" the ability to respond to physical stimuli or to register small physical amou [..]

The degree to which a system is affected, either adversely or beneficially, by climate variability or change. The effect may be direct (e.g., a change in crop yield in response to a change in the mean, range or variability of temperature) or indirect (e.g., damages caused by an increase in the frequency of coastal flooding due to sea level rise). [..]

1. In an electronic device, e.g., a communications system receiver, or detection device, e.g., PIN diode, the minimum input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria. Note 1: The signal input may be expressed as power in dBm or as field strength in microvolts per meter [..]

The proportion of people previously diagnosed with a disorder according to a gold standard or reference test who score in the positive (or affected) range on a different or index test For example, a n [..]

A sensitivity is a score assigned to each feature with respect to its impact on the performance of the learner. So, for a classifier, sensitivity of a feature might describe its influence on generaliz [..]

Definition Degree of exposure to some source of risk.

Sensitivity is the fraction of the true matches that are predicted correctly

1. The capacity to detect and discriminate. 2. The probability that a test gives a positive diagnosis given that a person actually has a condition. 3. Physiology. The ability a cell or tissue has to r [..]

Sensitivity is the strength of the capacity to detect and discriminate stimuli. It is how strong the perception of a stimulus is in an individual. A person who has higher sensitivity will perceive a s [..]

The sensitivity of a measure to a parameter is defined as the change in the measure per unit change in that parameter.

An indication of recording or playback efficiency as might be measure of a microphone or audio tape recorder.

An operating characteristic of a diagnostic test that measures the ability of a test to detect a disease (or condition) when it is truly present. Sensitivity is the proportion of all diseased patients for whom there is a positive test, determined as: [true positives, (true positives + false negatives)].

The sensitivity of an test method is the lowest concentration that can be reliably measured using that test method.

The ratio of the change in output to the change in mechanical input.

The sound pressure level directly in front of the speaker (on axis) at a given distance and produced by a given amount of power.

Of a mechanical-to-electrical sensor or pickup, the ratio between electrical signal (output) and mechanical quantity (input)..

ability of an analytical method to detect small concentrations of radioactive material.

Sensitivity is a measure of the minimum signal that a telescope can distinguish above the random background noise. All other things being equal, a telescope of larger primary mirror or lens is more sensitive than one with a smaller primary.

Sensitivity is the degree to which a system is affected, either adversely or beneficially, by climate variability or change. The effect may be direct (e.g., a change in crop yield in response to a cha [..]

The proportion of people with disease who have a positive test.

This is one of a set of measures used to show the accuracy of a diagnostic test (see specificity, negative predictive value and positive predictive value). Sensitivity is the proportion of people with a disease who are correctly identified as having that disease by the diagnostic test. For example, if a test has a sensitivity of 90%, this means tha [..]

(n) (physiology) responsiveness to external stimuli; the faculty of sensation(n) the ability to respond to physical stimuli or to register small physical amounts or differences(n) sensitivity to emoti [..]

The ability of a test to correctly identify a disease or condition (positive test result) when it is present.

Sensitivity of a spectrometer is a measure of how the optical input (light) relates to the spectral output (counts) as seen in Ocean Optics software.

Sensitivity (of an assay or test) is the ability of an experiment or trial to detect a difference – for instance, between two groups of participants receiving different medicines in a clinical trial. [..]

Proportion of people with the target disorder who have a positive test result. It is used to assist in assessing and selecting a diagnostic test/sign/symptom.

Sensitivity is an expression that describes the degree of reactivity caused by an external imput. This imput for example can be (UV-) radiation. Plasma surface treatment can modify the sensitivity of substrates    

The ratio of the change in output to the mechanical input.

The minimum input signal required to produce a specified output signal.

refers to the pull-in of a Reed Switch usually expressed in ampere-turns.

A measure of the ability to detect small signals. Limited by the signal-to-noise ratio.

A measure of the amount of light required to provide a standard video signal. Sensitivity values are stated in lux or foot-candles.

The intolerance of a habitat, community or individual (or individual colony) of a species to damage or death from an external factor (Hiscock, 1996).

The sound pressure level a speaker produces when fed by a given input power, measured at a specified distance on-axis (directly in front of the speaker). Usually specified in db spl at 1 meter, 4 feet or 30 feet, and with a 1 watt or 1 milliwatt input signal.   Back   Back   Home  |  Contact Us  |  About Us  |  Advertise  |  Car Audio How to Links  [..]

The sound pressure level a speaker produces when fed by a given input power, measured at a specific distance on axis directly in front of the speaker. Typically specified in dB SPL at 1 meter with 1 w [..]

For a simple procedure, the slope of the analytical calibration curve, i.e., the differential of the measure (x) with respect to concentration (c) (i.e., dx/dc). The greater the value of this derivati [..]

The measure of sensitivity assists users in obtaining proper exposures and in determining the low light capability of electronic cameras. The International Organization for Standardization (ISO) has p [..]

Indicates the degree of sensitivity of a given film or image sensor (CCD) to light. Film normally uses ISO values to indicate the level of sensitivity. With digital cameras, the sensitivity of the CCD can be set using ISO- equivalent values.

Sensitivity is a measurement of how something (in the case of digital photography, the image sensor) responds to light. The image sensor's sensitivity is a key component is establishing an exposure. On DSLRs the sensitivity can be increased with the touch of a botton, however, when one increases the sensitivity, the output of the image sensor [..]

See ISO. Read articles that include this term

Expression of the cameras sensors response to light. Can be concerned with degree of sensitivity as expressed by film speed or response to light of various colours (spectral sensitivity). Sharpness

Expression of the nature of a photographic emulsion's response to light. Can be concerned with degree of sensitivity as expressed by film speed or response to light of various colors (spectral se [..]

degree of response of a photographic emulsion to exposure to light.

A type of acute or chronic Skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the Skin. It may involve allergic or non-allergic mechanisms [..]

Abnormal sensitivity to Light. This may occur as a manifestation of Eye Diseases; Migraine; Subarachnoid Hemorrhage; Meningitis; and other disorders. Photophobia may also occur in Association with Dep [..]

An acquired disorder characterized by recurrent symptoms, referable to multiple organ systems, occurring in response to demonstrable exposure to many chemically unrelated compounds at doses below thos [..]

The ability of some Cells or Tissues to survive lethal doses of Ionizing Radiation. Tolerance depends on the species, Cell type, and physical and chemical variables, including Radiation-Protective Age [..]

The ability to detect sharp boundaries (stimuli) and to detect slight changes in luminance at regions without distinct contours. Psychophysical measurements of this visual function are used to evaluat [..]

The probability that a medical test will detect the condition being tested for in people who actually have the condition. In other words, a sensitive test is one that produces true positive results. For example, the enzyme-linked immunosorbent assay (ELISA) HIV antibody test is highly sensitive, which means the test can detect HIV in most people in [..]

(conservation assessment) An assessment of the intolerance of a species or habitat to damage from an external factor and the time taken for its subsequent recovery. For example, a very sensitive speci [..]

a measure of response of organisms and habitats to impacts based on the relative robustness and recoverability.

In most behavioral usages, a measure of threshold (the organism's capacity to respond differentially to different stimuli or conditions. see PSYCHOPHYSICS).

Similar to responsivity of a camera sensor but numerically different. It is the signal current per unit of illuminance on the faceplate in lumens. It is expressed in amps/lumen. Unless otherwise specified, the radiation is understood to be that of an unfiltered incandescent source at 2,856 degrees K.

When referring to a medical test, sensitivity refers to the percentage of people who test positive for a specific disease among a group of people who have the disease. No test has 100% sensitivity because some people who have the disease will test negative for it (false negatives).

see sensitive. The ability of a test to work on people you know have the infection. More precisely TP/(TP+FN), where TP is the number of true positives and FN is the number of false negatives.

The ability of a test to detect a disease or pathogen. High sensitive tests may generate false positive results.

The degree to which an organism can be suppressed or killed by an antibiotic.

The degree to which an organism can be suppressed or killed by an antibiotic.

The smallest change in a process variable that an instrument can sense. The smallest particle a particle counter will measure and count.

Responsiveness or susceptibility to UV radiation.

A measurement of the ability of a GPS receiver to acquire and track GPS signals. A highly sensitive GPS receiver would be able to acquire and track GPS signals in weak signal environments.

The depth at which a metal detector can register metal objects. Full sensitivity can be used for best depth but, is not recommended. It is often beneficial to turn the sensitivity down in order to mat [..]

The ability of a system to detect epidemics and other changes in disease occurrence. The proportion of persons with disease who are correctly identified by a screening test or case definition as havin [..]

The relationship between what is considered a symptom of an outcome and the outcome itself; or the percent chance of not getting a false positive (see formulas).

The proportion of truly diseased persons, as measured by the gold standard, who are identified as diseased by the test under study.

As a statistical term, sensitivity refers to the proportion of actual positives that are correctly identified as such (for example, the percentage of people with diabetes who are correctly identified as having diabetes). See Specificity.

is the ability of a diagnostic or screening test to correctly identify people who actually have the disease (‘correct positive’). Sensitivity is the number of truly diseased people who test positive divided by the total number of truly diseased people.

Proportion of persons with condition who test positive

The sound pressure level directly in front of the speaker (on axis) at a given distance (usually 1 meter) produced by a given amount of power (usually 1 watt).

The minimum change in input signal to which an instrument can respond. For example, this is the relationship between the change in strain gauge output to the level or magnitude of the SGA

How strongly an organ or living thing reacts to something. For example, the ears are sensitive to sound while the eyes are sensitive to light.

1) Volume of sound delivered for a given electrical input. 2) In microphones, the output level produced by a standard amount of sound pressure level.

The slope of the analytical curve (i.e., functional relationship between emission intensity and concentration).

For an ammeter, the amount of current that will cause full-scale deflection of the meter. For a voltmeter, the ratio of the voltmeter resistance divided by the full-scale reading of the meter; express [..]

Ratio of the output signal or response of the instrument to a change of input or measured variable.

The minimum change in a physical variable to which an instrument can respond. Further Reading

The degree to which a system or species is affected, either adversely or beneficially, by climate variability or change. The effect may be direct (e.g., a change in crop yield in response to a change [..]

A measure of the minimum change in an input signal that an instrument can detect.