PubMed · 11584510
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T Fujino, M Kobayashi, R G Calderhead. 2001. The computer and simulation surgery.. https://doi.org/10.2302/kjm.50.supplement2_39
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The emergence of the posthuman body and the disappearance of the humanist body serve as background for the rediscovery of the body as resource and problem in nursing. At the precise moment when the fleshy body is deemed increasingly irrelevant and immaterial in cyberspace come divergent moves in nursing toward not only resurrecting this body, but also toward virtual environments of nursing care, where fleshy bodies never encounter each other. The posthuman conflation of bodies and information poses the greatest challenge yet to the secure place, presence, and identity of nursing in health care.
Cetacean (dolphin, whale, and porpoise) brains are among the least studied mammalian brains because of the formidable challenge of collecting and histologically preparing such relatively rare and large specimens. Magnetic resonance imaging offers a means of observing the internal structure of the brain when traditional histological procedures are not practical. Furthermore, internal structures can be analyzed in their precise anatomic positions, which is difficult to accomplish after the spatial distortions often accompanying histological processing. In this study, images of the brain of an adult bottlenose dolphin, Tursiops truncatus, were scanned in the coronal plane at 148 antero-posterior levels. From these scans a computer-generated three-dimensional model was constructed using the programs VoxelView and VoxelMath (Vital Images, Inc.). This model, wherein details of internal and external morphology are represented in three-dimensional space, was then resectioned in orthogonal planes to produce corresponding series of virtual sections in the horizontal and sagittal planes. Sections in all three planes display the sizes and positions of major neuroanatomical features such as the arrangement of cortical lobes and subcortical structures such as the inferior and superior colliculi, and demonstrate the utility of MRI for neuroanatomical investigations of dolphin brains.
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