The IGT2 is a computerized assessment that assists in the evaluation of decision making. This revision reflects a downward age extension to age 8 years, allowing for use throughout the life span.
The software tracks the examinee’s selection of advantageous and disadvantageous cards from four decks and is ideal for assessing patients who exhibit poor decision-making skills in the presence of otherwise normal or unaffected intelligence because of head injury or insult or any other condition thought to affect the function of the prefrontal cortex.
It features a real-time gambling task that resembles real-world situations. The task factors reward and punishment—the winning and losing of money—in such a way that it creates a conflict between immediate reward and delayed punishment, engaging the participant in a quest to make advantageous choices. As in real life, the task offers choices that may be risky, but there is no obvious indication of how, when, or what to choose. The only way an individual can do well on this task is to follow his or her intuition.
The original IGT has been used in studies examining decision-making capacity in a variety of populations, including individuals with focal brain lesions, substance addiction, chronic pain, aggression disorders, and Huntington’s disease.
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