We now know that a pulsar is a rapidly rotating neutron star whose radiation is emitted like a spinning flashlight. Over 700 pulsars have now been detected, with rates of rotation ranging from once every 4 seconds to more than 600 times per second.
Share on Facebook. Share on Google Plus. Touretteâs syndrome is a neurological disorder that causes involuntary vocal and motor tics. The tics frequently involve physical movements like jerking, foot stamping, kicking, and facial movements and can be accompanied by grunts, coughs, barks, or shouts.hare on Facebook. Share on Google Plus. Touretteâs syndrome is a neurological disorder that causes involuntary vocal and motor tics. The tics frequently involve physical movements like jerking, foot stamping, kicking, and facial movements and can be accompanied by grunts, coughs, barks, or shouts.
Most people with Tourette syndrome do not have a mutation in the SLITRK1 gene. Because mutations have been reported in so few people with this condition, the association of the SLITRK1 gene with this disorder has not been confirmed.