The authors present information about Huntington's disease (HD). They
refer to its basic characteristics and give information about selected
psychologically aimed studies concerned with HD. Three casuistics wit
h mild and marked manifestations of HD in the psychological examinatio
n are referred to. An overview of suitable methods for the psychologic
al examination of HD is given. The authors also report on the Society
for help in the Huntington's disease and about its objectives.