The phrase alert state is used in milieu variously although in a capitalized form the reference is of an indication of the state of readiness of the armed forces for military action or a State against terrorism or military attack.The term frequently used is on High Alert [1] Examples are the DEFCON levels of the US armed forces, probably indicating some degree within DEFCON:2 to DEFCON:4,possibly DEFCON:1 classified with the words as high alert .[2] and the British government's UK Threat Levels, probably including the highest three levels of five, these being classified as substantial,severe and critical. [3] Both highest positions within the classification are synonymous with red alert. All these of course rely on an understanding of the word alert, which is also originally relevant to a type of military activity, within the earliest recorded usage.[4] The phrase is in use within environmental considerations, [5][6][7] and also is in usage as a term of change within a system generating electrical energy. [8] In the context of the Mental status examination,the state of consciousness of an alert person is classified apart from either lethargic or hyper-alert,[9] elswhere an alert person is capable of providing the correct information when asked their name, their present location and the date, or otherwise as a classified state is able to talk normally. [10][11] Altogether the much vaunted relaxed and alert state of mind of the meditator [12] is scientifically classified as brainwaves of the alpha and beta description respectively. [13] The beta state that corresponds to the prior description is infact within the range of 12 to 15 Hz [ & 15-19Hz ].[14]
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