PT - JOURNAL ARTICLE AU - James R. Merikangas TI - Commentary: Contested Wills and Will Contests DP - 2015 Sep 01 TA - Journal of the American Academy of Psychiatry and the Law Online PG - 293--297 VI - 43 IP - 3 4099 - http://jaapl.org/content/43/3/293.short 4100 - http://jaapl.org/content/43/3/293.full SO - J Am Acad Psychiatry Law2015 Sep 01; 43 AB - When disinherited heirs challenge a will drafted by a person suspected of having dementia, a legal battle may ensue. The “lucid interval,” a brief return to competence from a state of dementia, has been invoked in years past to establish the validity of contested wills. Shulman et al., having reviewed the medical and legal literature, make a convincing argument that no such period of competence occurs in the course of dementia. A neuropsychiatric autopsy is outlined in this commentary to provide a method of determining the validity of a last will and testament, by applying the clinical method described when witness statements do not provide accurate guidance.