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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
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High impact information on Pica

  • Conditioned animals in both experiments subsequently engaged in geophagia when presented with saccharin alone [1].
  • Geophagia was postulated to occur in animals who experience a generalized stress reponse since this state may involve gastro-intestinal malaise [2].
  • The possible role of manganese poisoning in enzootic geophagia and hepatitis of calves and lambs [3].


  1. Conditioned taste aversions accompanied by geophagia: evidence for the occurrence of "psychological" factors in the etiology of pica. Mitchell, D., Winter, W., Morisaki, C.M. Psychosomatic medicine. (1977) [Pubmed]
  2. Geophagia in response to stress and arthritis. Burchfield, S.R., Elich, M.S., Woods, S.C. Physiol. Behav. (1977) [Pubmed]
  3. The possible role of manganese poisoning in enzootic geophagia and hepatitis of calves and lambs. Neser, J.A., de Vries, M.A., de Vries, M., van der Merwe, A.J., Loock, A.H., Smith, H.J., van der Vyver, F.H., Elsenbroek, J.H., Delport, R. Journal of the South African Veterinary Association. (1997) [Pubmed]
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