نتایج جستجو برای: verbal working memory vwm

تعداد نتایج: 463269  

2012
Masahiro Kawasaki Yoko Yamaguchi

Subjective preferences affect many processes, including motivation, along with individual differences. Although incentive motivations are proposed to increase our limited visual working memory (VWM) capacity, much less is known about the effects of subjective preferences on VWM-related brain systems, such as the prefrontal and parietal cortices. Here, we investigate the differences in VWM capac...

Journal: :Journal of experimental psychology. Human perception and performance 2014
Filiz Gözenman Ryan T Tanoue Terina Metoyer Marian E Berryhill

The contents of visual working memory (VWM) are capacity limited and require frequent updating. The retrospective cueing (retro-cueing) paradigm clarifies how directing internal attention among VWM items boosts VWM performance. In this paradigm a cue appears prior to retrieval, but after encoding and maintenance. The retro-cue effect (RCE) refers to superior VWM after valid versus neutral retro...

Journal: :Journal of experimental psychology. Human perception and performance 2011
Tao Gao Zaifeng Gao Jie Li Zhongqiang Sun Mowei Shen

Mainstream theories of visual perception assume that visual working memory (VWM) is critical for integrating online perceptual information and constructing coherent visual experiences in changing environments. Given the dynamic interaction between online perception and VWM, we propose that how visual information is processed during visual perception can directly determine how the information is...

Journal: :Neuropsychologia 2016
Robin I Goodrich Andrew P Yonelinas

It is well established that the medial temporal lobe (MTL), including the hippocampus, is essential for long-term memory. In addition, recent studies suggest that the MTL may also support visual working memory (VWM), but the conditions under which the MTL plays a critical role are not yet clear. To address this issue, we used a color change detection paradigm to examine the effects of MTL damag...

2008
Matthew P. Kirschen Mathew S. Davis-Ratner Marnee W. Milner S. H. Annabel Chen Pam Schraedley-Desmond Paul G. Fisher John E. Desmond

This study was designed to investigate cerebellar lobular contributions to specific cognitive deficits observed after cerebellar tumor resection. Verbal working memory (VWM) tasks were administered to children following surgical resection of cerebellar pilocytic astrocytomas and age-matched controls. Anatomical MRI scans were used to quantify the extent of cerebellar lobular damage from each pa...

2016
Felix Siebenhühner Sheng H Wang J Matias Palva Satu Palva

Neuronal activity in sensory and fronto-parietal (FP) areas underlies the representation and attentional control, respectively, of sensory information maintained in visual working memory (VWM). Within these regions, beta/gamma phase-synchronization supports the integration of sensory functions, while synchronization in theta/alpha bands supports the regulation of attentional functions. A key ch...

Journal: :Schizophrenia research 2014
Jens Gisselgård Liss Gøril Anda Kolbjørn Brønnick Johannes Langeveld Wenche Ten Velden Hegelstad Inge Joa Jan Olav Johannessen Tor Ketil Larsen

BACKGROUND Auditory verbal hallucinations are a characteristic symptom in schizophrenia. Recent causal models of auditory verbal hallucinations propose that cognitive mechanisms involving verbal working memory are involved in the genesis of auditory verbal hallucinations. Thus, in the present study, we investigate the hypothesis that verbal working memory is a specific factor behind auditory ve...

2011
Ling Li Jin-Xiang Zhang Tao Jiang

BACKGROUND Visual working memory (VWM) helps us store visual information to prepare for subsequent behavior. The neuronal mechanisms for sustaining coherent visual information and the mechanisms for limited VWM capacity have remained uncharacterized. Although numerous studies have utilized behavioral accuracy, neural activity, and connectivity to explore the mechanism of VWM retention, little i...

Journal: :Cognition 2017
Qi-Yang Nie Hermann J Müller Markus Conci

When remembering a natural scene, both detailed information about specific objects and summary representations such as the gist of a scene are encoded. However, formal models of change detection that are used to estimate working memory capacity, typically assume observers simply encode and maintain memory representations that are treated independently from one another without considering the (h...

Journal: :The American journal of psychiatry 2007
Deanna M Barch John G Csernansky

OBJECTIVE The goal of this study was to determine whether the regions of the prefrontal and parietal cortices showing abnormal activation among individuals with schizophrenia during working memory tasks are associated with either 1) phonological coding processes that may be specific to verbal tasks (i.e., ventral prefrontal and parietal cortices) or 2) domain-general executive processes engaged...

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