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Mental Capacity (Original Version - Master for Changes)

Litigation and the Aging Population

As the elder population continues to grow, local, national, and international changes are occurring in criminal and civil litigation. It is more important than ever that attorneys have a practical and reliable way to understand mental capacity and its assessment.

 

This page contains information regarding mental capacity and competency assessment, the issue of tests of cognitive impairment, a review of dementia, and an introduction to the PARADISE-2 Protocol

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Click here for definitions of common medical terms



Mental Capacity and Competency

Competency is a legal term, defined as: "duly qualified: having sufficient capacity, ability, or authority" [Black's Law Dictionary].

Mental capacity is a functional term that may be defined as: the "mental (or cognitive) ability to understand the nature and effects of one's acts."  

There are many ways to assess mental capacity.  Three common models are the philosophical/legal, medical, and functional models. Each has significant benefits and limitations.  PARADISE-2, a behavior-based protocol, maximizes the strengths of previous models, while minimizing their limitations.  Designed for potential litigation settings, PARADISE-2 is used by attorneys, law enforcement, social service personnel, physicians, and nurses in many parts of the Western Hemisphere.  PARADISE-2 was used by the United Nation's International Criminal Tribunal for the former Yugoslavia ("ICTY") in the war-crimes trial of Gen. Pavle Strugar - the first trial of its kind since the Nuremberg Trials.  Due, in part, to PARADISE-2, the Tribunal created new international legal precedent affecting all future war-crime tribunals.  (For more information about PARADISE-2, click here).  

Specific competence, such as the competence to create a Will ("testamentary capacity"), enter into a contract ("contractual capacity"), or make a gift ("donative capacity"),  is often at issue In litigation involving the elderly. 

IMPORTANT: Emotions, such as anxiety, depression, or mania can affect a person's ability to listen, understand, and remember new information.

For more information about mental capacity models, or other aspects of mental capacity and competency, please see Kaplan and Sadock's Comprehensive Textbook of Psychiatry - 8th Edition, pp. 3797-3806, or contact us in our Arizona or California offices.
    
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Dementia

The term "dementia" is often confusing to people outside the medical and psychological professions.  "Dementia" is a syndrome in which a person has impaired memory, plus at least one of the following: problems in executive functions (thinking abstractly, planning, monitoring behavior, appropriately starting or stopping behavior, switching focus, considering consequences); inability to recognize people or objects; inability to use language appropriately; or, inability to perform over learned tasks, such as brushing one's teeth.  Dementia is not a disease itself, but rather a group of symptoms which may accompany certain diseases or physical conditions.

The most common cause of dementia is Alzheimer's disease.  This progressive and insidious disease often starts with short-term memory impairment, and may also include impairment in the ability to recall faces, shapes and distances, and/or the sequence of events.  This disease is not curable, but early treatment may slow the progression of cognitive losses.

The second most common cause of dementia is vascular disease.  This is a condition in which blood flow in the brain is impaired because the blood vessels become "clogged" or damaged (example - a stroke).  This is not the same as Alzheimer's disease; however, here too, the afflicted person becomes progressively worse, and ultimately become incapable of caring for himself.  

Alzheimer's disease and vascular disease account for more than 85% of all dementias.  The remaining dementias may be caused by treatable conditions, such as depression, certain nutritional deficiencies, and some endocrine disorders.  In these cases, the cognitive problems may resolve when the underlying medical issue is addressed.  

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PARADISE-2 Protocol

The PARADISE-2 protocol for mental capacity assessment uses information derived from observed behaviors to pinpoint areas of cognitive impairment.  There are several benefits to this approach:

 - This method clarifies complex situations, thereby helping attorneys create a compelling image of the person for the jury and/or judge.

 

 - The method is easy to use.  Much of the necessary data comes from information that an attorney would obtain during typical case investigation.  The method's power is in how that information is organized.

 

 - Relative degree of impairment is assessed - meaning PARADISE-2 is useful in many situations besides "competency" assessments.  PARADISE-2 has proven itself useful across a spectrum of civil and criminal litigation matters.

 

Note:  The method may be used by people who are not mental health professionals.  Although the sophistication of the analysis will vary, PARADISE-2 has been, and continues to be effectively used by attorneys, law enforcement, and social service personnel.  In fact, the protocol was designed to be used by attorneys in litigation settings. 

 

PARADISE-2 uses common, everyday language.  However, if medical/mental health expertise is needed, the information from PARADISE-2 immediately directs attention to the pertinent cognitive functions and brain physiology that needs to be examined.

 

PARADISE-2 has been extensively peer-reviewed and, like the IDEAL protocol, is used internationally.

 

Details about PARADISE-2 may be found in Kaplan and Sadock's Comprehensive Textbook of Psychiatry - 8th Edition, pp. 3798-3799

 

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Tests of Cognitive Impairment

Although attorneys must often assess a client’s mental capacity, lawyers generally should not use the formal, clinical tests employed by medical and mental health professionals.   Most attorneys lack the training to know the limitations of the tests, such as validity and reliability issues (ex. many tests are not standardized for use in geriatric populations), or associated problem of the extent of false positive and false negative results.  Further, most tests do not provide results that are specific to the issues of legal incapacity; therefore reasonable questions may be raised as to whether the attorney had the requisite knowledge to make appropriate conclusions based upon test results.  Finally, the results of psychological tests must be compared to the person's behavior in order to confirm the validity of the findings.

For these reasons, lawyers are encouraged to use PARADISE-2 - a behavior-based protocol for assessing cognitive abilities that was designed to be used by attorneys in litigation settings (for more information,
click here).   

With regard to the Mini-Mental State Examination or "Folstein" examination:  The Folstein (AKA "MMSE") should never be the sole method of assessing mental capacity.  According to its creator, the test was not designed to evaluate "executive functions" - i.e., those abilities involved in considering options and likely consequences, planning, initiating, monitoring, and appropriately stopping behavior.  In fact, Dr. Folstein and his group published an article in which they showed that slightly fewer than 40% of people - otherwise determined to be incompetent - scored well on the test.  The failure was due to this very issue. 

A low score must also be doubted, because several social, medical, and psychological conditions may produce an artificially low score.  If the test is used, the results should be compared to behavioral observations.

The MMSE does not assess the issue of undue influence or the degree of susceptibility to such manipulation/coercion.

 

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Dr. Bennett Blum

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