International psychogeriatrics
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Delirium is an acute, severe deterioration in mental functioning. Inattention is the core feature, yet there are few objective methods for assessing attentional deficits in delirium. We previously developed a novel, graded test for objectively detecting inattention in delirium, implemented on a computerized device (Edinburgh Delirium Test Box (EDTB)). Although the EDTB is effective, tests on universally available devices have potential for greater impact. Here we assessed feasibility and validity of the DelApp, a smartphone application based on the EDTB. ⋯ The DelApp test showed good performance, supporting the utility of objectively measuring attention in delirium assessment. This study provides evidence of the feasibility of using a smartphone test for attentional assessment in hospital inpatients with possible delirium, with potential applications in research and clinical practice.
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Invited commentary for International Psychogeriatrics on Tieges Z, Stíobhairt A, Scott K, Suchorab K, Weir A, Parks S, Shenkin S and MacLullich A. Development of a smartphone application for the objective detection of attentional deficits in delirium. International Psychogeriatrics. 2015 Mar 6:1-12.