6,977 research outputs found

    Selectivity in regeneration of the oculomotor nerve in the cichlid fish, Astronotus ocellatus

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    It has long been considered a general rule for nerve regeneration that the reinnervation of skeletal muscle is nonselective. Regenerating nerve fibers are supposed to reconnect with one skeletal muscle as readily as another according to studies covering a wide range of vertebrates (Weiss, 1937; Weiss & Taylor, 1944; Weiss & Hoag, 1946; Bernstein & Guth, 1961; Guth, 1961, 1962, 1963). Similarly, in embryogenesis proper functional connexions between nerve centers and particular muscles are supposedly attained, not by selective nerve outgrowth but rather through a process of ‘myotypic modulation’ (Weiss, 1955) that presupposes nonselective peripheral innervation. Doubt about the general validity of this rule and the concepts behind it has come from a series of studies on regeneration of the oculomotor nerve in teleosts, urodeles, and anurans and of spinal fin nerves in teleosts (Sperry, 1946, 1947, 1950, 1965; Sperry & Deupree, 1956; Arora & Sperry, 1957a, 1964)

    The Past, Present and Future of the \u3ci\u3eJournal of Individual Psychology\u3c/i\u3e

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    The co-editors of the Journal of Individual Psychology (JIP) will discuss the past, present, and future of the journal. This presentation will also include information about publishing in the JIP, download patterns of JIP articles, a brief history of the journal, and the process to become a peer-reviewer. Participants will be able to: describe the process for submitting manuscripts to the JIP. Participants will be able to: explain the history of the JIP and plans for IP to become an evidenced-based counseling approach. Participants will be able to: describe the process for applying to be a peer-reviewer for the JIP

    Spring Comes

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    Out of the Park, Happy

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    The Quest

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