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A cortical representation of the local visual environment
Evidence is presented that a particular area within human parahippocampal cortex is involved in a critical component of navigation: perceiving the local visual environment, and it is proposed that the PPA represents places by encoding the geometry of the local environment.
Parahippocampal and retrosplenial contributions to human spatial navigation
- Russell A. Epstein
- Psychology, BiologyTrends in Cognitive Sciences
- 1 October 2008
The Parahippocampal Place Area Recognition, Navigation, or Encoding?
Viewpoint-Specific Scene Representations in Human Parahippocampal Cortex
Anchoring the neural compass: Coding of local spatial reference frames in human medial parietal lobe
- Steven A. Marchette, Lindsay K Vass, Jack Ryan, Russell A. Epstein
- PsychologyNature Neuroscience
- 5 October 2014
The neural systems that code for location and facing direction during spatial navigation have been investigated extensively; however, the mechanisms by which these quantities are referenced to…
Where Am I Now? Distinct Roles for Parahippocampal and Retrosplenial Cortices in Place Recognition
- Russell A. Epstein, Whitney E. Parker, A. Feiler
- Psychology, BiologyThe Journal of Neuroscience
- 6 June 2007
Functional magnetic resonance imaging results suggest that the PPA and RSC play distinct but complementary roles in place recognition, whereas RSC may support memory retrieval mechanisms that allow the scene to be localized within the broader spatial environment.
Differential parahippocampal and retrosplenial involvement in three types of visual scene recognition.
It is hypothesized that the PPA and RSC are critically involved in the identification of specific locations but play a less central role in other scene recognition tasks, and that different scene identification tasks tap distinct cortical networks.
The cognitive map in humans: spatial navigation and beyond
- Russell A. Epstein, E. Patai, J. Julian, H. Spiers
- Biology, PsychologyNature Neuroscience
- 26 October 2017
Recent studies indicate that the human hippocampus and entorhinal cortex support map-like spatial codes, and posterior brain regions such as parahippocampal and retrosplenial cortices provide critical inputs that allow cognitive maps to be anchored to fixed environmental landmarks.
Visual scene processing in familiar and unfamiliar environments.
- Russell A. Epstein, J. S. Higgins, K. Jablonski, A. Feiler
- Psychology, BiologyJournal of neurophysiology
- 1 May 2007
The sensitivity to environmental familiarity observed in the PPA, RSC, and TOS supports earlier claims that these regions mediate the extraction of navigationally relevant spatial information from visual scenes.
Abstract Representations of Location and Facing Direction in the Human Brain
Functional magnetic resonance imaging is used to identify regions within the human medial temporal and medial parietal lobes that encode two fundamental spatial quantities—location and facing direction—in a manner that abstracts away from sensory inputs.