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In medicine, confusion is the quality or state of being bewildered or unclear. The term "acute mental confusion" [ 1 ] is often used interchangeably with delirium [ 2 ] in the International Statistical Classification of Diseases and Related Health Problems and the Medical Subject Headings publications to describe the pathology .
The Confusion Assessment Method (CAM) is a diagnostic tool developed to allow physicians and nurses to identify delirium in the healthcare setting. [1] It was designed to be brief (less than 5 minutes to perform) and based on criteria from the third edition-revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III-R) .
Confusion is the state of being bewildered or unclear in one's mind about something. Confusion or Confused may also refer to: Geography
Delirium (formerly acute confusional state, an ambiguous term which is now discouraged) [1] is a specific state of acute confusion attributable to the direct physiological consequence of a medical condition, effects of a psychoactive substance, or multiple causes, which usually develops over the course of hours to days.
Cognitive symptoms include confusion, disorientation, and difficulty focusing attention. Loss of consciousness may occur, but is not necessarily correlated with the severity of the concussion if it is brief. [34] Post-traumatic amnesia, in which events following the injury cannot be recalled, is a hallmark of concussions. [27]
Confusion matrix is not limited to binary classification and can be used in multi-class classifiers as well. The confusion matrices discussed above have only two conditions: positive and negative. For example, the table below summarizes communication of a whistled language between two speakers, with zero values omitted for clarity. [20]
Confusion inevitably involves some diffusion, [6] so a design with a very wide-input S-box can provide the necessary diffusion properties, [citation needed] but will be very costly in implementation. Therefore, the practical ciphers utilize relatively small S-boxes, operating on small groups of bits ("bundles" [ 7 ] ).
Circle-of-confusion calculations: An early precursor to depth of field calculations is the TH (1866, p. 138) calculation of a circle-of-confusion diameter from a subject distance, for a lens focused at infinity; this article was pointed out by von Rohr (1899). The formula he comes up with for what he terms "the indistinctness" is equivalent, in ...