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A continuous performance task, continuous performance test, or CPT, is any of several kinds of neuropsychological test that measures a person's sustained and selective attention. Sustained attention is the ability to maintain a consistent focus on some continuous activity or stimuli , and is associated with impulsivity .
The CSDA range is a very close approximation to the average distance traveled by a charged particle as it slows down to rest, calculated in the continuous-slowing-down approximation. In this approximation, the rate of energy loss at every point along the track is assumed to be equal to the same as the total stopping power .
Diagram of continuous flow spectrometer for reactions with half times of a few milliseconds. The stopped-flow method evolved from the continuous-flow technique developed by Hamilton Hartridge and Francis Roughton [7] to study the binding of oxygen to hemoglobin. In the continuous-flow system, the reaction mixture was passed through a long tube ...
The test functions used to evaluate the algorithms for MOP were taken from Deb, [4] Binh et al. [5] and Binh. [6] The software developed by Deb can be downloaded, [7] which implements the NSGA-II procedure with GAs, or the program posted on Internet, [8] which implements the NSGA-II procedure with ES.
The index was suggested by W. J. Youden in 1950 [2] as a way of summarising the performance of a diagnostic test; however, the formula was earlier published in Science by C. S. Peirce in 1884. [3] Its value ranges from -1 through 1 (inclusive), [ 2 ] and has a zero value when a diagnostic test gives the same proportion of positive results for ...
Nesplora Aula is a psychological test in virtual reality that measures attentional processes in children from 6 to 16 years of age. It is a level III C Continuous Performance Test (CPT) that combines auditory and visual stimuli in a virtual environment: a school classroom, alive and organic, with the distractors of that environment.
The Corsi block-tapping test is a psychological test that assesses visuo-spatial short term working memory. It involves mimicking a researcher as they tap a sequence of up to nine identical spatially separated blocks. The sequence starts out simple, usually using two blocks, but becomes more complex until the subject's performance suffers.
Frequency analysis [2] is the analysis of how often, or how frequently, an observed phenomenon occurs in a certain range. Frequency analysis applies to a record of length N of observed data X 1, X 2, X 3. . . X N on a variable phenomenon X. The record may be time-dependent (e.g. rainfall measured in one spot) or space-dependent (e.g. crop ...