scotophobin

scotophobin
scotophobin [skōt′ə fō′bin ]
n.
< Gr skotos, darkness (see SHADE) + phobos, a fear + -IN1
a peptide produced in the brain of laboratory rats conditioned to have a fear of darkness: it is claimed that such a fear may be transferred to unconditioned rats by injection of the peptide, thus providing evidence for the theory that memory has a chemical basis

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sco·to·pho·bin (skō'tə-fōʹbĭn) n.
A peptide isolated from the brain tissue of rats conditioned to fear darkness, alleged to induce a similar fear in untrained rats, thereby implying that a memory or a conditioned response can be chemically transferred.
  [scotophobia + -in.]   sco'to·phoʹbic adj.

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Universalium. 2010.

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  • scotophobin — ☆ scotophobin [skōt′ə fō′bin ] n. [< Gr skotos, darkness (see SHADE) + phobos, a fear + IN1] a peptide produced in the brain of laboratory rats conditioned to have a fear of darkness: it is claimed that such a fear may be transferred to… …   English World dictionary

  • scotophobin — Peptide (15 residues) isolated from brains of rats trained to avoid the dark that will transfer this aversion to naive animals …   Dictionary of molecular biology

  • scotophobin — …   Useful english dictionary

  • Fear of the dark — For other uses, see Fear of the dark (disambiguation). The fear of the dark is a common fear among children and to a varying degree is observed for adults. Fear of the dark is usually not fear of the darkness itself, but fear of possible or… …   Wikipedia

  • Nictofobia — La nictofobia (proveniente del griegos nyx: noche y fobos: miedo)[1] es una fobia caracterizada por un miedo irracional a la noche o a la oscuridad. Es generada por una percepción distorsionada del cerebro de lo que podría pasar en medio de la… …   Wikipedia Español

  • scotophobic — See scotophobin. * * * …   Universalium

  • scotopia — [skə tō′pē ə] n. [ModL < Gr skotos (see SCOTOPHOBIN) + OPIA] the normal visual perception or vision in dim light or twilight, or at night following dark adaptation, in which the light intensity fails to activate the retinal cones: cf. PHOTOPIA …   English World dictionary

  • sco|to|pho|bic — «SKOH tuh FOH bihk, SKOT uh », adjective. 1. of or having to do with scotophobin: »The scotophobic effect seems to be very specific for this structure... Very probably some rigorous stereospecificity is involved in the scotophobic mechanism (New… …   Useful english dictionary

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