| Summary: | "This book presents a psychological study of dementia praecox, comparing normal and praecox groups on various functions, including learning ability, disease course, and disease type. This study seeks to show: A. That recent experimental technique gives evidence that the phenomena of dementia praecox are similar to those observed in other diseases where organic deterioration rather than mental habituation is the accepted basis of abnormality. Since deterioration will explain all the phenomena of dementia-praecox, it is valid prima facie to accept the general explanation which accords with other types of abnormality, and it becomes unwarranted to hypothecate other causes based on observations of normal persons; and B. That certain aspects of dementia praecox can only be explained with reference to a theory of mental impairment due to organic or physiological causes"--Book. (PsycINFO Database Record (c) 2011 APA, all rights reserved).
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