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In a few states, the language defining “grave disability” appears, without use of the term, “grave
disability,” in the definition of “danger to self.” For example, in North Carolina, “[d]angerous to
himself” means that “within the relevant past, the individual has acted in such a way as to show:
I. that he would be unable, without care, supervision, and the continued assistance of others not
otherwise available, to exercise self-control, judgment, and discretion in the conduct of his daily
responsibilities and social relations, or to satisfy his need for nourishment, personal or medical
care, shelter, or self-protection and safety; and II. that there is a reasonable probability of his
suffering serious physical debilitation within the near future unless adequate treatment is given
pursuant to this Chapter…” (N.C. Gen. Stat., § 122C-3(11)(a).
The latest development in commitment law is the use of “serious deterioration” as a freestanding
commitment criterion, or as a condition of grave disability (as in the Alaska and North Carolina
statutes presented above). First recognized by the American Psychiatric Association in its 1982
Model Civil Commitment Law, serious deterioration found early statutory expression in some
states’ outpatient commitment laws—language permitting outpatient commitment if an
individual were not currently dangerous (and, thus, not subject to inpatient commitment) but
experiencing serious mental or physical deterioration such that, without treatment, the individual
predictably would become dangerous. Now, some states permit inpatient commitment on
grounds of deterioration. For example, in Oregon, a person may be committed who is dangerous
(paragraph A of the statute), who is gravely disabled (paragraph B), or “who, unless treated, will
continue, to a reasonable medical probability, to physically or mentally deteriorate so that the
person will become a person described under subparagraph (A) or (B) of this paragraph or both”
[i.e., dangerous and/or gravely disabled] (OR. Rev. Stat., § 426.005(1)(f)).
In Wisconsin, a person may be committed upon a showing of “substantial probability, as
demonstrated by both the individual’s treatment history and his or her recent acts or omissions,
that the individual needs care or treatment to prevent further disability or deterioration and a
substantial probability that he or she will, if left untreated, lack services necessary for his or her
health or safety and suffer severe mental, emotional or physical harm that will result in the loss
of the individual’s ability to function independently in the community or the loss of cognitive or
volitional control over his or her thoughts or actions” (Wis. Stat. Ann., § 51.20(1)(a)).
As is evident in the statutes profiled above, serious deterioration, where it appears, always is
coupled with the risk that a person, without treatment, will become dangerous in some sense. To
the extent that dangerousness remains an essential criterion for commitment (as many read the
U.S. Supreme Court’s opinion in O’Conner v Donaldson), the question arises, may the risk that a
person will become dangerous if not treated qualify as current dangerousness for commitment
purposes? Dangerousness may be defined as some level of risk that a person, at some point in the
future, will act in a way that causes a harm of some sort, to a sufficient degree that a particular
intervention (here, commitment) is justified. Dangerousness does not require prediction that an
individual will act in a way that results in harm, only that there is some risk he or she will. The
degree of risk that is necessary is not settled, nor, in most states, is the immediacy of the risk or
even the type of harm the individual is at risk for. There are no bright lines delineating
dangerousness. Certainly an argument can be made that a person who is experiencing a
deterioration in his or her functioning due to a mental illness, making it likely that, without
treatment, the person’s risk of harm will become significant, is dangerous. The legislature in
Arkansas would seem to agree. Among the conditions in that state that qualify as a “clear and
present danger” to self, for purposes of commitment, is the following: “(i) The person's
understanding of the need for treatment is impaired to the point that he or she is unlikely to