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.
Nickelodeon, often called Nick and originally named Pinwheel, is an American cable channel owned by MTV Networks, a subsidiary of Viacom International. The channel is primarily aimed at children ages 7â17, with the exception of their weekday morning program block aimed at preschoolers ages 2â6.