WADA testing is performed primarily for which purpose?

WADA testing, or the intracarotid sodium amobarbital procedure, is primarily performed for language and memory lateralization. This test is essential in the context of epilepsy treatment, particularly when evaluating patients for surgical intervention. The procedure induces temporary anesthesia in one hemisphere of the brain, allowing clinicians to assess the functional capabilities of each side. By testing language and memory functions while one hemisphere is "asleep," healthcare providers can determine which side of the brain is dominant for these critical cognitive tasks.

This understanding is crucial when considering surgical options for epilepsy, as it helps to identify the risks of potential deficits that could follow surgery, particularly if language centers are located in the hemisphere undergoing resection. In this context, the other options do not capture the primary goal of WADA testing, focusing instead on different aspects of neurological evaluation that are not the primary intent of this specific procedure.