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Test of Memory Malingering (TOMM)
Tom N. Tombaugh, Ph.D.

  • Ages: 16–84
  • Administration: Individual
  • Administration Time: 15–20 minutes
  • Key Areas Measured: Response Times, Change in Reaction Time Speed and Consistency, Signal Detection Theory Statistics, Overall Statistics (confidence index and overall index), Omission Errors, Commission Errors

Helps distinguish between malingered and true memory impairments.

Based on research in neuropsychology and cognitive psychology, the TOMM is a visual recognition test designed to help psychologists and psychiatrists distinguish between malingered and true memory impairments. Research has found the TOMM to be sensitive to malingering and insensitive to a wide variety of neurological impairments, which makes it very reliable. It is not transparent as a malingering test.

The TOMM consists of two learning trials and an optional retention trial. On each learning trial, 50 pictures (line drawings) are presented at the rate of one every 4 seconds. The same 50 pictures are used on each trial. Then, 50 two-choice recognition panels are presented individually. Each panel contains one of the previously presented pictures and a picture not previously shown. From each panel, the examinee is required to select the correct picture. The same procedure is used on the retention trial except that only the 50 two-choice recognition panels are presented. The TOMM uses two cutoff scores: 1) below chance and 2) criteria based on head injured and cognitively impaired clients.

Extensive data has been collected on a number of groups that include cognitively intact individuals (aged 16 to 84) and clinical samples that include individuals with no cognitive impairment, as well as those with cognitive impairment, aphasia, traumatic brain injury, and dementia.
 

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