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@ARTICLE{Helmbold:201937,
      author       = {Helmbold, K. and Bubenzer, S. and Dahmen, B. and Eisert, A.
                      and Gaber, T. J. and Habel, U. and Konrad, K. and
                      Herpertz-Dahlmann, B. and Zepf, F. D.},
      title        = {{I}nfluence of acute tryptophan depletion on verbal
                      declarative episodic memory in young adult females},
      journal      = {Amino acids},
      volume       = {45},
      number       = {5},
      issn         = {1438-2199},
      address      = {Wien [u.a.]},
      publisher    = {Springer},
      reportid     = {FZJ-2015-04227},
      pages        = {1207 - 1219},
      year         = {2013},
      abstract     = {Diminished synthesis of the neurotransmitter serotonin
                      (5-HT) in the brain has been linked to disturbed memory
                      processes. The present study investigated the effects of
                      diminished central nervous 5-HT synthesis as achieved by an
                      acute dietary tryptophan depletion (ATD) on verbal
                      declarative episodic memory in young women while controlling
                      for the effects of female sex hormones. Eighteen healthy
                      females (aged 20–31 years) participated in a
                      within-subject repeated measures study, with two separate
                      days of assessment spaced at least one individual menstrual
                      cycle apart. On one day, participants were subjected to ATD,
                      thus lowering central nervous 5-HT synthesis. The other day
                      participants received a tryptophan-balanced amino acid load
                      (BAL = control condition). The study was randomized,
                      counterbalanced and double blind in terms of ATD/BAL
                      administration. Measurements took place in the early
                      follicular phase of the participants’ menstrual cycle.
                      Estrogen, FSH and LH levels were assessed at baseline.
                      Verbal declarative episodic memory was assessed using a
                      structured word-learning task. Short-term memory, as indexed
                      by immediate recall, was reduced after ATD intake, whereas
                      delayed recall and recognition after a 25-min delay did not
                      show any differences after intake of ATD or BAL. In young
                      women, verbal short-term memory function was more vulnerable
                      to ATD than consolidation processes. In light of the
                      possible interplay between female sex hormones and 5-HT,
                      further studies comparing different menstrual cycle phases
                      are needed.},
      cin          = {INM-3 / JARA-BRAIN},
      ddc          = {540},
      cid          = {I:(DE-Juel1)INM-3-20090406 / $I:(DE-82)080010_20140620$},
      pnm          = {333 - Pathophysiological Mechanisms of Neurological and
                      Psychiatric Diseases (POF2-333)},
      pid          = {G:(DE-HGF)POF2-333},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000325813800017},
      pubmed       = {pmid:24072504},
      doi          = {10.1007/s00726-013-1582-1},
      url          = {https://juser.fz-juelich.de/record/201937},
}