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  • Token Economy
    Token Economy
    A practice whereby tokens representing money, toys, candy, etc., are given as secondary reinforcers contingent upon certain desired behaviors or performances....<br/>Year introduced: 1979(1975)
    MeSH
  • Genes, Intracisternal A-Particle
    Genes, Intracisternal A-Particle
    Genes of IAP elements (a family of retrovirus-like genetic elements) which code for virus-like particles (IAPs) found regularly in rodent early embryos. (Intracisternal refers...<br/>Year introduced: 1992
    MeSH

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