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Self-reported sleep problems are related to amyloid deposition in cortical regions with high HOMER1 gene expression 
Fjell, Anders Martin; Sederevicius, Donatas; Sneve, Markus Handal; de Lange, Ann-Marie Glasø; Bråthen, Anne Cecilie Sjøli; Idland, Ane-Victoria; Watne, Leiv Otto; Wang, Yunpeng; Reinbold, Céline Sonja; Blennow, Kaj; Zetterberg, Henrik; Hong, S; Bertram, Lars; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Sleep problems are related to the elevated levels of the Alzheimer’s disease (AD) biomarker β-amyloid (Aβ). Hypotheses about the causes of this relationship can be generated from molecular markers of sleep problems identified ...
Age-Related Differences in Functional AsymmetryDuring Memory Retrieval Revisited: No Evidence forContralateral Overactivation or Compensation 
Roe, James Michael; Vidal-Piñeiro, Didac; Sneve, Markus Handal; Kompus, Kristiina; Greve, Douglas N.; Walhovd, Kristine B; Fjell, Anders Martin; Westerhausen, René (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Brain asymmetry is inherent to cognitive processing and seems to reflect processing efficiency. Lower frontal asymmetry is often observed in older adults during memory retrieval, yet it is unclear whether lower asymmetry ...
The Functional Foundations of Episodic Memory Remain Stable Throughout the Lifespan 
Vidal-Piñeiro, Didac; Sneve, Markus Handal; Amlien, Inge Kasbohm; Grydeland, Håkon; Mowinckel, Athanasia Monika; Roe, James Michael; Sørensen, Øystein; Nyberg, Lars; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Abstract It has been suggested that specific forms of cognition in older age rely largely on late-life specific mechanisms. Here instead, we tested using task-fMRI (n = 540, age 6–82 years) whether the functional ...
Volumetric and microstructural regional changes of the hippocampus underlying development of recall performance after extended retention intervals 
Fjell, Anders Martin; Sneve, Markus Handal; Sederevicius, Donatas; Sørensen, Øystein; Krogsrud, Stine Kleppe; Mowinckel, Athanasia Monika; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Performance on recall tests improves through childhood and adolescence, in part due to structural maturation of the medial temporal cortex. Although partly different processes support successful recall over shorter vs. ...
Elaboration Benefits Source Memory Encoding Through Centrality Change 
Amlien, Inge Kasbohm; Sneve, Markus Handal; Vidal-Pineiro, Didac; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Variations in levels of processing affect memory encoding and subsequent retrieval performance, but it is unknown how processing depth affects communication patterns within the network of interconnected brain regions ...
Multimodal cortical and hippocampal prediction of episodic‐memory plasticity in young and older adults 
Bråthen, Anne Cecilie Sjøli; de Lange, Ann-Marie Glasø; Rohani, Darius; Sneve, Markus Handal; Fjell, Anders Martin; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
Episodic memory can be trained in both early and late adulthood, but there is considerable variation in cognitive improvement across individuals. Which brain characteristics make some individuals benefit more than others? ...
Development and decline of the hippocampal long-axis specialization and differentiation during encoding and retrieval of episodic memories 
Langnes, Espen; Vidal-Piñeiro, Didac; Sneve, Markus Handal; Amlien, Inge Kasbohm; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
Maintained Frontal Activity Underlies High Memory Function Over 8 Years in Aging 
Vidal-Piñeiro, Didac; Sneve, Markus Handal; Nyberg, Lars; Mowinckel, Athanasia Monika; Sederevicius, Donatas; Walhovd, K.B.; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
Continuity and discontinuity in human cortical development and change from embryonic stages to old age 
Fjell, Anders Martin; Chen, Chi-Hua Chen; Sederevicius, Donatas; Sneve, Markus Handal; Grydeland, Håkon; Krogsrud, Stine Kleppe; Amlien, Inge Kasbohm; Ferschmann, Lia; Ness, Hedda; Folvik, Line; Beck, Dani; Mowinckel, Athanasia Monika; Tamnes, Christian Krog; Westerhausen, René; Håberg, Asta; Dale, Anders M; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
High-expanding regions in primate cortical brain evolution support supramodal cognitive flexibility 
Sneve, Markus Handal; Grydeland, Håkon; Rosa, Marcello G P; Paus, Tomáš; Chaplin, Tristan; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
The lifespan trajectory of the encoding-retrieval flip: A multimodal examination of medial parietal cortex contributions to episodic memory 
Amlien, Inge Kasbohm; Sneve, Markus Handal; Vidal-Piñeiro, Didac; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The formation of episodic memories is associated with deactivation during encoding and activation during retrieval in the posteromedial cortex (PMC). We hypothesized that the encoding/retrieval (E/R) flip is a critical ...
Neural correlates of durable memories across the adult lifespan: brain activity at encoding and retrieval 
Vidal-Piñeiro, Didac; Sneve, Markus Handal; Storsve, Andreas Berg; Roe, James Michael; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / AccpetedVersion; Peer reviewed, 2017)
Relationship between structural and functional connectivity change across the lifespan – a longitudinal investigation 
Fjell, Anders Martin; Sneve, Markus Handal; Grydeland, Håkon; Storsve, Andreas Berg; Amlien, Inge Kasbohm; Yendiki, Anastasia; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Extensive efforts are devoted to understand the functional (FC) and structural connections (SC) of the brain. FC is usually measured by functional magnetic resonance imaging (fMRI), and conceptualized as degree of synchronicity ...
The Disconnected Brain and Executive Function Decline in Aging 
Fjell, Anders Martin; Sneve, Markus Handal; Grydeland, Håkon; Storsve, Andreas Berg; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
Higher order speeded cognitive abilities depend on efficient coordination of activity across the brain, rendering them vulnerable to age reductions in structural and functional brain connectivity. The concept of “disconnected ...
Decoupling of large-scale brain networks supports the consolidation of durable episodic memories 
Sneve, Markus Handal; Grydeland, Håkon; Amlien, Inge Kasbohm; Langnes, Espen; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2016)
At a large scale, the human brain is organized into modules of interconnected regions, some of which play opposing roles in supporting cognition. In particular, the Default-Mode Network (DMN) has been linked to operations ...
Mechanisms underlying encoding of short-lived versus durable episodic memories 
Sneve, Markus Handal; Grydeland, Håkon; Nyberg, Lars; Bowles, Ben; Amlien, Inge K; Langnes, Espen; Walhovd, Kristine B; Fjell, Anders Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
We continuously encounter and process novel events in the surrounding world, but only some episodes will leave detailed memory traces that can be recollected after weeks and months. Here, our aim was to monitor brain ...
The Roots of Alzheimer’s Disease: Are High-Expanding Cortical Areas Preferentially Targeted? 
Fjell, Anders Martin; Amlien, Inge; Sneve, Markus Handal; Grydeland, Håkon; Tamnes, Christian Krog; Chaplin, Tristan; Rosa, Marcello; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
Alzheimer's disease (AD) is regarded a human-specific condition, and it has been suggested that brain regions highly expanded in humans compared with other primates are selectively targeted. We calculated shared and unique ...
Functional connectivity change across multiple cortical networks relates to episodic memory changes in aging 
Fjell, Anders Martin; Sneve, Markus Handal; Grydeland, Håkon; Storsve, Andreas Berg; de Lange, Ann-Marie Glasø; Amlien, Inge Kasbohm; Røgeberg, Ole; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
A major task of contemporary cognitive neuroscience of aging is to explain why episodic memory declines. Change in resting-state functional connectivity (rsFC) could be a mechanism accounting for reduced function. We ...
Brain events underlying episodic memory changes in aging: A longitudinal investigation of structural and functional connectivity 
Fjell, Anders Martin; Sneve, Markus Handal; Storsve, Andreas Berg; Grydeland, Håkon; Yendiki, Anastasia; Walhovd, Kristine B (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
Episodic memories are established and maintained by close interplay between hippocampus and other cortical regions, but degradation of a fronto-striatal network has been suggested to be a driving force of memory decline ...
 
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Date Issued2020 (3)2019 (2)2018 (6)2017 (1)2016 (3)2015 (4)Document TypeTidsskriftartikkel (19)Author
Fjell, Anders Martin (19)
Sneve, Markus Handal (19)
Walhovd, Kristine B (18)Grydeland, Håkon (10)Amlien, Inge Kasbohm (8)... View MorePeer ReviewedPeer reviewed (19)
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