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N-Back Non-Verbal
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Please note that this product can only be administered if you have a valid Vienna Test System administration software license for VTS online or a local VTS version 8.0.00 or higher.

Field of Application+

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Detailed Description+

Assesses visual working memory.
One of the most important tasks performed by working memory is to maintain and update visual material (verbal material is assessed by the test N-Back verbal NBV). In NBN the item material is difficult to verbalize: this ensures that apart from the central executive only the visual components of working memory are involved. The item design involves consistent implementation of the 2-back or 3-back paradigm. Disorders of working memory are well documented in a number of neurological and mental illnesses, such as Parkinson's disease, Huntington's chorea, ADHD and Alzheimer's disease. The test is therefore used mainly in clinical neuropsychology.

Test forms+

S1: 2 back standard form
S2: 2 back parallel form
S3: 3 back standard form
S4: 3 back parallel form

Task+

Highly abstract figures are presented one by one. The respondent’s task is to state whether the figure currently displayed is identical to the one shown two places back (2-back paradigm) or three places back (3-back paradigm). If it is, the respondent presses a button as quickly as he can.

Dimensions+

Memory

Languages+

Dutch

English (USA)

German

Duration+

approx. 9-11 minutes, depending on test form

Age+

Norms for ages 15+.

Test administration+

Controlled Mode


Products specifications
Test typeSpecial Ability Tests
LanguagesDutch, English (USA), German