Neural transmitters is a transmitter used by Goa'uld. In 1999 , when SG-1 was forced to attend the trial of Ra after they became infected nanite that would prevent them from escaping from the trial.
On one of the planets that SG-1 was found in the several spheres coded with the names of various other members of the Goa'uld hierarchy, that which requires participants to correctly identify Ra's allies in the list. A neural transmitter transmits a frequency that distract and disoriented participants. After being distracted by the signals sent from an unidentified sender and the fruit of the planet, cracked SG-1 sphere mystery with Teal'c's knowledge of Breed history. (SG1: "The Barque of Heaven")