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Trail Making Test
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<p>The Trail Making Test is a <a href="/facts/Neuropsychological_test/krsJu7Uo">neuropsychological test</a> of <a href="/facts/Attention/pleJPaeQ">visual attention</a> and <a href="/facts/Task_switching_(psychology)/R4YrmweI">task switching</a>. It has two parts, in which the subject is instructed to connect a set of 25 dots as quickly as possible while maintaining accuracy. The test can provide information about visual search speed, scanning, speed of processing, <a href="/facts/Cognitive_flexibility/5MCcwX16">mental flexibility</a>, and executive functioning. It is sensitive to cognitive impairment associated with <a href="/facts/Dementia/T0MRDE9I">dementia</a>, including <a href="/facts/Alzheimer%2527s_disease/w7Ad6tdg">Alzheimer's disease</a>. </p>