The house-tree-person technique was administered to 17 right hemisphere brain-damaged patients, 19 left hemisphere brain-damaged patients (LED), and 23 non-brain-damaged medical patients. Statistical analyses revealed significant differences between these groups in size and spatial placement of drawings. In particular, LBD patients drew smaller figures and more frequently placed them in the upper left-hand quadrant of the paper. These results can be discussed in terms of both projective psychological interpretations and neuropsychological theory.
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