نتایج جستجو برای: mtl filter

تعداد نتایج: 124789  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1998
G Fernández H Weyerts M Schrader-Bölsche I Tendolkar H G Smid C Tempelmann H Hinrichs H Scheich C E Elger G R Mangun H J Heinze

The medial temporal lobe (MTL) is essential for episodic memory encoding, as evidenced by memory deficits in patients with MTL damage. However, previous functional neuroimaging studies have either failed to show MTL activation during encoding or they did not differentiate between two MTL related processes: novelty assessment and episodic memory encoding. Furthermore, there is evidence that the ...

Journal: :Hippocampus 1999
R J Dolan P F Fletcher

The precise functional role of the hippocampus in human episodic memory is an unresolved question though it has recently been suggested that distinct medial temporal lobe (MTL) regions are involved in encoding and retrieval operations respectively. For example, a recent meta-analysis of positron emission tomography (PET) literature has suggested a rostral-caudal functional division in the media...

Journal: :Cerebral cortex 2013
Yoshihiro Hirata Shigehiro Miyachi Ken-ichi Inoue Taihei Ninomiya Daisuke Takahara Eiji Hoshi Masahiko Takada

The medial temporal lobe (MTL) is responsible for various mnemonic functions, such as association/conjunction memory. The lateral prefrontal cortex (LPFC) also plays crucial roles in mnemonic functions and memory-based cognitive behaviors, for example, decision-making. Therefore, it is considered that the MTL and LPFC connect with each other and cooperate for the control of cognitive behaviors....

Journal: :NeuroImage 1997
K M Petersson C Elfgren M Ingvar

Understanding the role of the medial temporal lobe (MTL) in learning and memory is an important problem in cognitive neuroscience. Memory and learning processes that depend on the function of the MTL and related diencephalic structures (e.g., the anterior and mediodorsal thalamic nuclei) are defined as declarative. We have studied the MTL activity as indicated by regional cerebral blood flow wi...

2010
Carinne Piekema Mark Rijpkema Guillén Fernández Roy P. C. Kessels

BACKGROUND Integration of information streams into a unitary representation is an important task of our cognitive system. Within working memory, the medial temporal lobe (MTL) has been conceptually linked to the maintenance of bound representations. In a previous fMRI study, we have shown that the MTL is indeed more active during working-memory maintenance of spatial associations as compared to...

Journal: :Journal of neurophysiology 2008
Itamar Kahn Jessica R Andrews-Hanna Justin L Vincent Abraham Z Snyder Randy L Buckner

The hippocampus and adjacent cortical structures in the medial temporal lobe (MTL) contribute to memory through interactions with distributed brain areas. Studies of monkey and rodent anatomy suggest that parallel pathways converge on distinct subregions of the MTL. To explore the cortical areas linked to subregions of the MTL in humans, we examined cortico-cortical and hippocampal-cortical cor...

Journal: :Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists 2014
Heather B England M Meredith Gillis Benjamin M Hampstead

The current study (i) determined whether NeuroQuant(®) volumetrics are reflective of differences in medial temporal lobe (MTL) volumes between healthy older adults and those with mild cognitive impairment (MCI) and (ii) examined the relationship between RBANS indices and MTL volumes. Forty-three healthy older adults and 57 MCI patients completed the RBANS and underwent structural MRI. Hippocamp...

Journal: :CoRR 2013
Khushraj Madnani Shankara Narayanan Krishna Paritosh K. Pandya

Metric Temporal Logic, MTL[UI , SI ], is amongst the most studied real-time logics. It exhibits considerable diversity in expressiveness and decidability properties based on the permitted set of modalities and the nature of time interval constraints I . In this paper, we sharpen the decidability results by showing that the satisfiability of MTL [ UI , SNS] (where NS denotes non-singular interva...

Journal: :Trends in cognitive sciences 2006
Mark J Buckley David Gaffan

The traditional theory of the medial temporal lobe (MTL) memory system asserts that the primate MTL (hippocampus, perirhinal, entorhinal and parahippocampal cortices) is exclusively involved in consolidating declarative memories. However, several recent reports have directly challenged this dogma by arguing that MTL structures also contribute to perception. Controversy remains as many of the be...

2005
Sarah Steinvorth Brian Levine Suzanne Corkin

The nature and extent of retrograde amnesia in patients with medial temporal lobe (MTL) lesions is currently under debate. While some investigators propose a temporally limited role for the MTL in episodic and semantic memory, others claim that MTL structures are needed for e t m o m r ©

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