Brief Visuospatial Memory Test- Revised

Brief Visuospatial Memory Test- Revised

Brief Visuospatial Memory Test- Revised (BVMT-R) Ralph H. Benedict, PhD Overview A measure of visuospatial memory, the BVMT-R can be used as a part of a large neuropsychological battery, as a screening measure, and as a repeat measure to document changes over time. In three Learning Trials, the respondent views the stimulus page for 10 seconds and is asked to draw as many of the figures as possible in their correct location on a page in the response booklet. A Delayed Recall Trial is administered after a 25-minute delay. Last, a Recognition Trial, in which the respondent is asked to identify which of 12 figures were included among the original geometric figures, is administered. Designed for easy administration in clinical settings or at the bedside. Six equivalent, alternate stimulus forms consist of six geometric figures printed in a 2 x 3 array on separate pages. Administration Applications A measure of visuospatial memory. The BVMT-R can be used as part of a large neuropsychological battery, as a screening measure, and as a repeat measure to document changes over time. Designed for individuals ages 18-79 years. Appropriate for ages 18 to 79. Takes 45 minutes to administer, 25 minutes to score.

Respondents should have normal or corrected vision and hearing sufficient to perceive the test stimuli and comprehend the test instructions accurately. Among Clinical populations with known or suspected brain dysfunction, these requirements may not be fully met. In such cases, reliability and validity of the BVMT-R data will depend upon the expertise of the examiner. Before presentation of each learning trial, the respondents attention should be fixed at the point where the Recall Stimulus Booklet will be positioned. The respondent is permitted as much time as necessary for the task, and he or she is encouraged to draw the designs as precisely as possibly (use of an eraser is permitted). Scoring and Reporting Twelve scores may be derived from BVMT-R performance. Recall performance is recorded for each of the immediate recall trials (Trial 1, Trail 2, and Trial 3) and for the delayed recall trial (Delayed Recall). The recall scores are combined to form three additional summary measures of learning and memory. Recognition Hits and False Alarms are recorded during the delayed recognition task. Recognition Hits are calculated as the number of correct YES responses to target items, and Recognition False Alarms are calculated as the number of incorrect yes responses to nontarget items. Reliability, Validity, and Norms The interrater reliability for the BVMT-R was assessed in randomly selected subtests of the normative and patient groups. All of the BVMT-R protocols were scored by the author, who served as a primary rater. The BVMT-R was administered to 83 neurologic and psychiatric patients (diagnoses included head trauma, psychiatric disorder, adult learning disability or mental retardation, and mixed diagnoses such as stroke, vascular dementia, progressive basal ganglia disease, chronic alcoholism, and HIV1 associated dementia.

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