Browsing Kavliinstitutt for nevrovitenskap by Title
Now showing items 222-241 of 342
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Object-centered neural coding in the entorhinal cortex and hippocampus
(Doctoral theses at NTNU;2023:24, Doctoral thesis, 2022) -
Object-centered population coding in CA1 of the hippocampus
(Peer reviewed; Journal article, 2023)Objects and landmarks are crucial for guiding navigation and must be integrated into the cognitive map of space. Studies of object coding in the hippocampus have primarily focused on activity of single cells. Here, we ... -
Observations on the Hippocampal Formation: A study on the anatomy of the dentate-ammonic region in mink, sheep, and domestic pig, and spatial representations in the CA1 and subiculum of rats.
(Doctoral theses at NTNU;2022:129, Doctoral thesis, 2022)Sammendrag Hippocampusformasjonen omfatter et område i hjernen hos pattedyr som er essensielt for romlig navigasjon og episodiske minner. Overordnet inndeles området i tre subregioner: Gyrus dentatus, cornu ammonis (CA1, ... -
On the Extraction and Analysis of Graphs From Resting-State fMRI to Support a Correct and Robust Diagnostic Tool for Alzheimer's Disease
(Journal article; Peer reviewed, 2018)The diagnosis of Alzheimer's disease (AD), especially in the early stage, is still not very reliable and the development of new diagnosis tools is desirable. A diagnosis based on functional magnetic resonance imaging (fMRI) ... -
Optimized protocol for conditioned place avoidance learning in juvenile zebrafish
(Peer reviewed; Journal article, 2021)Conditioned place avoidance assays are broadly used in mammals to study different cognitive aspects of operant learning. Here, we introduce a series of experimental designs for training juvenile zebrafish in short-term and ... -
Organization of afferent sensory input onto the mouse perirhinal cortex
(Master thesis, 2022)The perirhinal cortex is a medial temporal lobe structure situated at a very interesting position in the hierarchy of the brain. It receives projections from all sensory modalities and shows strong connectivity with the ... -
Organization of multisynaptic inputs to the dorsal and ventral dentate gyrus: retrograde trans-synaptic tracing with rabies virus vector in the rat
(Journal article; Peer reviewed, 2013)Behavioral, anatomical, and gene expression studies have shown functional dissociations between the dorsal and ventral hippocampus with regard to their involvement in spatial cognition, emotion, and stress. In this study ... -
Organization of Posterior Parietal–Frontal Connections in the Rat
(Journal article; Peer reviewed, 2019)Recent investigations of the rat posterior parietal cortex (PPC) suggest that this region plays a central role in action control together with the frontal cortical areas. Posterior parietal-frontal cortical connections ... -
Organization of projections from Perirhinal and Postrhinal Cortex to the Hippocampus in the rat
(Master thesis, 2021)Abstract will be available on 2026-12-31 -
Organization of projections from the entorhinal cortex to the hippocampal formation of the Egyptian fruit bat Rousettus aegyptiacus
(Peer reviewed; Journal article, 2023)The hippocampal formation and entorhinal cortex are crucially involved in learning and memory as well as in spatial navigation. The conservation of these structures across the entire mammalian lineage demonstrates their ... -
Origin and role of the cerebrospinal fluid bidirectional flow in the central canal
(Peer reviewed; Journal article, 2020)Circulation of the cerebrospinal fluid (CSF) contributes to body axis formation and brain development. Here, we investigated the unexplained origins of the CSF flow bidirectionality in the central canal of the spinal cord ... -
Parahippocampal and retrosplenial connections of rat posterior parietal cortex
(Journal article; Peer reviewed, 2017)The posterior parietal cortex has been implicated in spatial functions, including navigation. The hippocampal and parahippocampal region and the retrosplenial cortex are crucially involved in navigational processes and ... -
Parieto-frontal architecture, connectivity and behavioral representations in rodents
(Doctoral theses at NTNU;2019:348, Doctoral thesis, 2019)The posterior parietal cortex (PPC) and frontal motor cortices are important for a variety of cognitive processes including sensorimotor integration, decision-making, planning and execution goal-directed actions. Across ... -
Parvalbumin and Somatostatin Interneurons Control Different Space-Coding Networks in the Medial Entorhinal Cortex
(Journal article; Peer reviewed, 2017)The medial entorhinal cortex (MEC) contains several discrete classes of GABAergic interneurons, but their specific contributions to spatial pattern formation in this area remain elusive. We employed a pharmacogenetic ... -
Past, present and future of zebrafish in epilepsy research
(Journal article; Peer reviewed, 2021)Animal models contribute greatly to our understanding of brain development and function as well as its dysfunction in neurological diseases. Epilepsy research is a very good example of how animal models can provide us with ... -
Path integral methods for the dynamics of stochastic and disordered systems
(Journal article; Peer reviewed, 2017)We review some of the techniques used to study the dynamics of disordered systems subject to both quenched and fast (thermal) noise. Starting from the Martin–Siggia–Rose/Janssen–De Dominicis–Peliti path integral formalism ... -
Path integration in place cells of developing rats
(Journal article; Peer reviewed, 2018)Place cells in the hippocampus and grid cells in the medial entorhinal cortex rely on self-motion information and path integration for spatially confined firing. Place cells can be observed in young rats as soon as they ... -
Perception and the cognitive map - Deriving a stable world from visual inputs
(Doctoral theses at NTNU;2020:32, Doctoral thesis, 2020)Norsk sammendrag Hjernen skaper stabile og sammenhengende representasjoner av verden fra omskiftelige perseptuelle input. Denne prosessen involverer et omfattende nettverk i hjernen, fra de tidlige synssentrene på lavt ... -
Perineuronal nets stabilize the grid cell network
(Peer reviewed; Journal article, 2021)Grid cells are part of a widespread network which supports navigation and spatial memory. Stable grid patterns appear late in development, in concert with extracellular matrix aggregates termed perineuronal nets (PNNs) ... -
Perirhinal firing patterns are sustained across large spatial segments of the task environment
(Journal article; Peer reviewed, 2017)Spatial navigation and memory depend on the neural coding of an organism’s location. Fine-grained coding of location is thought to depend on the hippocampus. Likewise, animals benefit from knowledge parsing their environment ...