• A prefrontal-thalamo-hippocampal circuit for goal-directed spatial navigation 

      Ito, Hiroshi; Zhang, Sheng Jia; Witter, Menno; Moser, Edvard Ingjald; Moser, May-Britt (Journal article; Peer reviewed, 2015)
      Spatial navigation requires information about the relationship between current and future positions. The activity of hippocampal neurons appears to reflect such a relationship, representing not only instantaneous position ...
    • Allocentric vector coding in the medial entorhinal cortex 

      Høydal, Øyvind Arne (Doctoral theses at NTNU;2020:145, Doctoral thesis, 2020)
      Samandrag Evna til å dynamisk tolke og navigere omgivnaden er naudsynt for overleving og ligg til grunn for mange kognitive prosessar slik som episodisk minne. I pattedyr-hjernen finn ein spesialiserte nettverk i hippocampus ...
    • A Brainstem Locomotor Circuit Drives the Activity of Speed Cells in the Medial Entorhinal Cortex 

      Carvalho, Miguel Murteira de; Tanke, Nouk; Kropff, Emilio; Witter, Menno; Moser, May-Britt; Moser, Edvard Ingjald (Peer reviewed; Journal article, 2020)
      Locomotion activates an array of sensory inputs that may help build the self-position map of the medial entorhinal cortex (MEC). In this map, speed-coding neurons are thought to dynamically update representations of the ...
    • Coherence among Head Direction Cells before Eye Opening in Rat Pups 

      Bjerknes, Tale L.; Langston, Rosamund Fay; Kruge, Ingvild Ulsaker; Moser, Edvard Ingjald; Moser, May-Britt (Journal article; Peer reviewed, 2014)
      Mammalian navigation is thought to depend on an internal map of space consisting of functionally specialized cells in the hippocampus and the surrounding parahippocampal cortices [1–7]. Basic properties of this map are ...
    • The contribution of grid field firing rates to hippocampal remapping 

      Lykken, Christine Marie (Doctoral theses at NTNU;2020:171, Doctoral thesis, 2020)
      Bidrag fra gittercellenes (felt)fyringsfrekvens til remapping i hippocampus: Hippocampus er avgjørende for navigering og for episodisk minne, eller vår evne til å huske funksjonene "hva", "når" og "hvor" i en hendelse. ...
    • Coordination of entorhinal-hippocampal ensemble activity during associative learning 

      Igarashi, Kei M; Lu, Li; Colgin, Laura Lee; Moser, May-Britt; Moser, Edvard Ingjald (Journal article; Peer reviewed, 2014)
      Accumulating evidence points to cortical oscillations as a mechanism for mediating interactions among functionally specialized neurons in distributed brain circuits1, 2, 3, 4, 5, 6. A brain function that may use such ...
    • Development of the neural representation of space 

      Bjerknes, Tale Litleré (Doctoral theses at NTNU;2018:170, Doctoral thesis, 2018)
      Hjernens navigasjonssystem består av flere typer nevroner, blant annet plassceller i hippocampus og gitterceller, hoderetningsceller og grenseceller i mediale entorhinale korteks (MEC), samt i pre- og parasubiculum. De ...
    • Dissociation between postrhinal cortex and downstream parahippocampal regions in the representation of egocentric boundaries 

      Gofman, Xenia; Tocker, Gilad; Weiss, Shahaf; Boccara, Charlotte N; Lu, Li; Moser, May-Britt; Moser, Edvard Ingjald; Morris, Genela; Derdikman, Dori Moshe (Journal article; Peer reviewed, 2019)
      Navigation requires the integration of many sensory inputs to form a multi-modal cognitive map of the environment, which is believed to be implemented in the hippocampal region by spatially tuned cells [1, 2, 3, 4, 5, 6, ...
    • During hippocampal inactivation, grid cells maintain synchrony, even when the grid pattern is lost 

      Almog, Nava; Tocker, Gilad; Bonnevie, Tora; Moser, Edvard Ingjald; Moser, May-Britt; Derdikman, Dori Moshe (Journal article; Peer reviewed, 2019)
      The grid cell network in the medial entorhinal cortex (MEC) has been subject to thorough testing and analysis, and many theories for their formation have been suggested. To test some of these theories, we re-analyzed data ...
    • Entorhinal fast-spiking speed cells project to the hippocampus 

      Ye, Jing; Witter, Menno; Moser, May-Britt; Moser, Edvard Ingjald (Journal article; Peer reviewed, 2018)
      The mammalian positioning system contains a variety of functionally specialized cells in the medial entorhinal cortex (MEC) and the hippocampus. In order for cells in these systems to dynamically update representations in ...
    • Functional diversity along the transverse axis of hippocampal area CA1 

      Igarashi, Kei M; Ito, Hiroshi; Moser, Edvard Ingjald; Moser, May-Britt (Journal article; Peer reviewed, 2014)
      Decades of neuroscience research have shed lights on the hippocampus as a key structure for the formation of episodic memory. The hippocampus is divided into distinct subfields – CA1, CA2 and CA3. Whereas accumulating ...
    • Functional properties of stellate cells in medial entorhinal cortex layer II 

      Rowland, David Clayton; Obenhaus, Horst-Andreas; Skytøen, Emilie; Zhang, Qiangwei; Kentros, Clifford; Moser, Edvard Ingjald; Moser, May-Britt (Journal article; Peer reviewed, 2018)
      Layer II of the medial entorhinal cortex (MEC) contains two principal cell types: pyramidal cells and stellate cells. Accumulating evidence suggests that these two cell types have distinct molecular profiles, physiological ...
    • Grid cell dynamics in the medial entorhinal cortex 

      Wernle, Tanja (Doctoral theses at NTNU;2018:206, Doctoral thesis, 2018)
      Gittercelledynamikk i mediale entorhinal cortex Gittercelleaktivitet oppstår momentant når dyr beveger seg gjennom et miljø, og kan dermed være ansvarlig for hjernens posisjonsberegning. For å beregne avstand må ...
    • Grid cells and cortical representation 

      Moser, Edvard Ingjald; Roudi, Yasser; Witter, Menno; Kentros, Clifford; Bonhoeffer, Tobias; Moser, May-Britt (Journal article; Peer reviewed, 2014)
      One of the grand challenges in neuroscience is to comprehend neural computation in the association cortices, the parts of the cortex that have shown the largest expansion and differentiation during mammalian evolution and ...
    • Hippocampal Remapping after Partial Inactivation of the Medial Entorhinal Cortex 

      Miao, Chenglin; Cao, Qichen; Ito, Hiroshi; Yamahachi, Homare; Witter, Menno; Moser, May-Britt; Moser, Edvard Ingjald (Journal article; Peer reviewed, 2015)
      Hippocampal place cells undergo remapping when the environment is changed. The mechanism of hippocampal remapping remains elusive but spatially modulated cells in the medial entorhinal cortex (MEC) have been identified as ...
    • How does the grid scale support accurate spatial memory and navigation? 

      Wåga, Torgeir (Master thesis, 2013)
      How does the grid scale support accurate spatial memory and navigation? This critical piece of the puzzle is currently missing from experimental work on grid cells. Previous research has demonstrated that the medial ...
    • Integrating time from experience in the lateral entorhinal cortex 

      Moser, Edvard Ingjald; Tsao, Albert; Sugar, Jørgen; Wang, Cheng-Cheng; Moser, May-Britt; Knierim, James (Journal article; Peer reviewed, 2018)
      The encoding of time and its binding to events are crucial for episodic memory, but how these processes are carried out in hippocampal–entorhinal circuits is unclear. Here we show in freely foraging rats that temporal ...
    • Integration of grid maps in merged environments 

      Wernle, Tanja; Waaga, Torgeir; Mørreaunet, Maria; Treves, Alessandro; Moser, May-Britt; Moser, Edvard Ingjald (Journal article; Peer reviewed, 2018)
      Natural environments are represented by local maps of grid cells and place cells that are stitched together. The manner by which transitions between map fragments are generated is unknown. We recorded grid cells while rats ...
    • Mechanisms of Six-Fold Symmetry in fMRI BOLD-Signal: An Analysis of a Large Grid Cell Dataset 

      Slettmoen, Torstein (Master thesis, 2020)
      Hippocampusformasjonen si rolle i romleg navigering og som hjernen sitt indre romlege kart har vore annerkjend sidan oppdaginga av stadsceller og gitterceller. Gjennom omfattande forsking, hovudsakleg utført i gnagarar, ...
    • Optimized Miniature Two-Photon Microscopy for Imaging Neuronal Activity in Freely Moving Mice 

      de Jong, Nienke Laura (Master thesis, 2021)
      Oppfinnelsen av nye avbildningsteknikker har alltid banet vei for påfølgende gjennombrudd i biovitenskapen og det såkalte to-foton mikroskopet er intet unntak. Teknikken muliggjør rask, kalsiumbasert avbildning av ...