sco·to·pho·bin (sk
t
-f
b
n)
n.
- A peptide isolated from the brain tissue of rats conditioned to fear darkness, claimed to have been used in its natural or synthesized form to induce a similar fear in untrained rats, thereby implying that a memory or a conditioned response can be chemically transferred.
[Greek skotos, darkness + -phob(e) + -in.]
sco
to·phobic adj.
