habituator

English

Etymology

From habituate +‎ -or.

Noun

habituator (plural habituators)

1. One who habituates, or becomes used to a stimulus.
   • 1992, Marc H. Bornstein, Michael E. Lamb, Development in Infancy: An Introduction, page 246:

     The baby in the top panel looks a lot at the stimulus at first and then rapidly and consistently declines in looking to habituate; this baby exemplifies a rapid habituator who shows a linear, or exponential, decrease in looking.

2. A device that produces noise, used as an implant to treat tinnitus.