Hoffmann's reflex. For the distal sign of nerve regeneration, see Hoffmann's sign. In medicine, Hoffmann's reflex, named after Johann Hoffmann, is a finding elicited by a reflex test which verifies the presence or absence of problems in the corticospinal tract.
Pinwheel was re-launched as Nickelodeon on April 1, 1979, and despite its prior history on the QUBE system under the Pinwheel name, Nickelodeon has declared that 1979 is the network's official launch year.
When was mtv established? ChaCha Answer: MTV was founded on August 1, 1981. The first music video shown on MTV was Video Killed the Radio Star by The Buggles. ! 0 7 years ago MTV launched on August 1, 1981, with Ladies and gentlemen, rock and roll, spoken on camera by John Lack, one of the creators.