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Biomedical subjects

C C Whitehead

Publications and source records attributed to C C Whitehead.

131 records · Page 8Linked to original sources
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Medullary bone and humeral breaking strength in laying hens.

To test the hypothesis that large amounts of medullary bone in the humeral diaphysis may increase breaking strength, various parameters of bone quality and quantity were examined in two large flocks of hens near end of lay. We conclude that the amount of medullary bone in the humerus of hens during the laying period influences bone strength. This medullary bone may not have any intrinsic strength, but may act by contributing to the fracture resistance of the surrounding cortical bone. Using a quantitative, low dose, radiographic technique, we can predict, from early in the laying period, those birds which will develop large amounts of medullary bone in their humeri by the end of the laying period. The formation of medullary bone in the humeral diaphysis is not at the expense of the surrounding radiographed cortical bone.

Animals↗
PubMedDate not supplied

Technical implications of the post-metapsychological era: toward a developmental psychoanalysis.

At the beginning of the twentieth century Freud and Pavlov made complementary theoretical splits in their observational field. This splitting initiated a dialectical interaction that tended to polarize the Freudian mental world of insight and the psyche against the Pavlovian outer world of learning theories and the soma. The 1950s saw an exaggerated polarization between strict behaviorists and "classical" psychoanalysts. The linkage of ideas of therapeutic action with metapsychology also dates from Freud and is briefly illustrated. The recent substantial repudiation of metapsychology has undone this linkage and paved the way for a post-metapsychological conception of technique and therapeutic action in psychoanalysis. Among a number of paradigms now available, developmental psychoanalysis appears to be an emerging model derived from the epigenetic perspective in psychoanalysis. The paradigm is capable of reintegrating the methodological splits of Freud and Pavlov. Several first-order technical implications are discussed.

Behaviorism↗