2007
DOI: 10.1176/ajp.2007.164.3.516
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Performance on a Virtual Reality Spatial Memory Navigation Task in Depressed Patients

Abstract: Depressed patients performed worse than healthy subjects on a novel spatial memory task. Virtual reality navigation may provide a consistent, sensitive measure of cognitive deficits in patients with affective disorders, representing a mechanism to study a putative endophenotype for hippocampal function.

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Cited by 94 publications
(35 citation statements)
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“…For instance, the short-term effects of chronic mild stress (CMS) (Willner 2005), an experimental model that attempts to mimic some of the environmental factors contributing to the induction of depression, have been extensively studied at the behavioural (Strekalova et al 2004(Strekalova et al , 2006, molecular (Airan et al 2007;Gronli et al 2007;Banasr et al 2008;Garcia-Garcia et al 2009) or cellular (Warner-Schmidt and Duman 2006;Jayatissa et al 2008) levels. In addition to core symptoms of depression, CMS induces neuroadaptive changes that could be addressing clinical findings with depressed patients (Gould et al 2007;Sanacora et al 2004;Rajkowska 2000;Lucassen et al 2006;Frodl et al 2008) or at least, further support the neurogenesis hypothesis of depression (Alonso et al 2004;Mineur et al 2007). …”
Section: Introductionmentioning
confidence: 70%
See 1 more Smart Citation
“…For instance, the short-term effects of chronic mild stress (CMS) (Willner 2005), an experimental model that attempts to mimic some of the environmental factors contributing to the induction of depression, have been extensively studied at the behavioural (Strekalova et al 2004(Strekalova et al , 2006, molecular (Airan et al 2007;Gronli et al 2007;Banasr et al 2008;Garcia-Garcia et al 2009) or cellular (Warner-Schmidt and Duman 2006;Jayatissa et al 2008) levels. In addition to core symptoms of depression, CMS induces neuroadaptive changes that could be addressing clinical findings with depressed patients (Gould et al 2007;Sanacora et al 2004;Rajkowska 2000;Lucassen et al 2006;Frodl et al 2008) or at least, further support the neurogenesis hypothesis of depression (Alonso et al 2004;Mineur et al 2007). …”
Section: Introductionmentioning
confidence: 70%
“…Further studies should explore if these hippocampal alterations that persist after antidepressant discontinuation form part of an acquired vulnerability for depressive-like behaviour following re-exposure to stress. Importantly, these findings could also address clinical evidence of persistent hippocampal alterations (MacQueen et al 2003;Caetano et al 2004;Neumeister et al 2005) and/or cognitive impairments (Weiland-Fiedler et al 2004;Gould et al 2007;Behnken et al 2009) in both depressed and drug-free patients with remitted depression. Moreover, low cortical GABA levels, detected by spectroscopy, in medication free, fully recovered, depressed patients (Bhagwagar and Cowen 2008; are suggested to form part of the residual neurobiological mechanisms for vulnerability to relapse.…”
Section: Long-term Neurochemical Alterationsmentioning
confidence: 92%
“…But, how can we study navigation in humans? VR navigation has been found to provide a consistent sensitive method for the study of hippocampal function (Gould et al, 2007). The hippocampus is the main brain structure supporting spatial representation, a structure that is larger than average in London taxi drivers, who are famous for learning the map of London in great detail (Maguire et al, 2000).…”
Section: Spatial Representation and Navigationmentioning
confidence: 99%
“…The hippocampus is the main brain structure supporting spatial representation, a structure that is larger than average in London taxi drivers, who are famous for learning the map of London in great detail (Maguire et al, 2000). Virtual cities have been used to determine, for example, that we activate different parts of the brain when we do wayfinding versus route following (Hartley et al, 2003), and to identify spatial cognition deficits in disorders such as depression (Gould et al, 2007) or Alzheimer (Cushman et al, 2008).…”
Section: Spatial Representation and Navigationmentioning
confidence: 99%
“…These disorders are typically associated with cognitive deficits, such as perturbations in spatial learning and memory in anxiety [5] and depression [6]. Therefore, variations in MAOA gene expression might also contribute to disease-related cognitive dysfunction such as executive attention [7], working memory [8] or decision-making [9].…”
Section: Introductionmentioning
confidence: 99%