How do you test for sustained attention?

The Sustained Attention Test is a vigilance task designed to assess the ability of individuals with schizophrenia to sustain attention to visual stimuli. The task requires the subject to attend to two vertically adjacent squares on a computer monitor. Each square changes color at random intervals.

What does the cancellation task measure?

In a cancellation task, a participant is required to search for and cross out (“cancel”) targets, which are usually embedded among distractor stimuli. The number of cancelled targets and their location can be used to diagnose the neglect syndrome after stroke.

What is six letter cancellation test?

The six letter cancellation task consisted of a test worksheet which specified the six target letters to be cancelled and had a ‘working section’ which consisted of letters of the alphabet arranged randomly in 22 rows and 14 columns.

What is the line cancellation test used to assess?

The Line Bisection Test is a test is a quick measure to detect the presence of unilateral spatial neglect (USN). To complete the test, one must place a mark with a pencil through the center of a series of horizontal lines.

How does a cancellation test work in therapy?

A cancellation test is administered during the initial evaluation. The test is scored, and the person is shown the letters missed on the test. The therapist makes introductory statements such as, “I teach a strategy to help people pay better attention to their left [or right].

What are the results of the single letter cancellation test?

Normative data has been published by sex and age, based on the results from 341 patients with lesions of the right hemisphere (Gordon, Ruckdeschel-Hibbard, Egelko, Diller, Simmens, & Langer, 1984). Less than 5 minutes. None typically reported. None.

What are the targets in the cancellation test?

Only targets may be displayed, such as in the line crossing test ( Albert, 1973 ): 40 lines 2.5 cm with various orientations and fixed distribution in a paper sheet.

How are cancellation tests used in lighthouse strategy?

These techniques were used in conjunction with the Lighthouse Strategy. A cancellation test is administered during the initial evaluation. The test is scored, and the person is shown the letters missed on the test. The therapist makes introductory statements such as, “I teach a strategy to help people pay better attention to their left [or right].