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The activation of attentional networks

2005 NeuroImage  
Overall, the fMRI results suggest that the functional contrasts within this single task differentially activate three separable anatomical networks related to the components of attention. D  ...  The executive control network contrast showed activation of the anterior cingulate along with several other brain areas.  ...  The authors would like to thank Drs. Yihong Yang, Hong Gu, Michael Worden, and Amir Raz for their help.  ... 
doi:10.1016/j.neuroimage.2005.02.004 pmid:15907304 fatcat:5hvrwzgqtvgv3gv7mrwxwsvrkq

The activation of interactive attentional networks

Bin Xuan, Melissa-Ann Mackie, Alfredo Spagna, Tingting Wu, Yanghua Tian, Patrick R. Hof, Jin Fan
2016 NeuroImage  
Using the revised attention network test and functional magnetic resonance imaging, we examined cortical and subcortical activity related to these attentional functions and their interactions.  ...  These results expand upon previous knowledge about the brain networks involved in implementing attentional functions, and show that the recruitment of areas of the FPN together with subcortical brain regions  ...  The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH or NCRR.  ... 
doi:10.1016/j.neuroimage.2016.01.017 pmid:26794640 pmcid:PMC4803523 fatcat:o6i5xcerivfhfol2zobbs7yqli

Heightened activity in a key region of the ventral attention network is linked to reduced activity in a key region of the dorsal attention network during unexpected shifts of covert visual spatial attention

Daniel H. Weissman, Jérôme Prado
2012 NeuroImage  
a r t i c l e i n f o To enable unexpected shifts of covert visual spatial attention, a ventral attention network is thought to dampen activity in a dorsal attention network that maintains the current  ...  These findings provide novel support for the view that key regions of the ventral attention network help to enable unexpected shifts of covert visual spatial attention by dampening activity in brain regions  ...  Weissman by the University of Michigan. We thank Keith Newnham for his assistance in collecting the fMRI data.  ... 
doi:10.1016/j.neuroimage.2012.03.032 pmid:22445785 fatcat:tu7at4kr6ngzbngrfq52tsugsy

Does Investor Attention Influence Stock Market Activity? The Case of Spin-Off Deals

Alessandro Carretta, Vincenzo Farina, Elvira Anna Graziano, Marco Reale
2011 Social Science Research Network  
The results show that: i) the impact of media sentiment on the stock market reactions is enhanced / moderated by the level of attention of investors; ii) individual investors' attention is grabbed by stocks  ...  This paper investigates empirically the nature of the interactions between mass media, investor attention and the stock market using data from a sample of 16 spin-off deals traded on NYSE and published  ...  Theoretically, one could expect a variation in stock market activity as a consequence of a shock in the levels of attention (Daniel, Hirshleifer and Subrahmanyam, 1998; Hong and Stein, 1999) .  ... 
doi:10.2139/ssrn.1930861 fatcat:zsrb3as7rnh5biozysh37uncam

What's in Your Gamma? Activation of The Ventral Fronto-Parietal Attentional Network in Response to Distracting Sounds [article]

Hesham A. ElShafei, Lesly Fornoni, Rémy Masson, Olivier Bertrand, Aurélie Bidet-Caulet
2018 bioRxiv   pre-print
We provide novel insight into the role of gamma activity (1) in supporting the activation of the BU ventral network, and (2) in subtending the TD/BU attention balance in the prefrontal cortex.  ...  of the ventral BU network.  ...  ACKNOWLODGEMENTS We would like to thank Sebastien DALIGAULT and Claude DELPUECH for technical assistance with the acquisition of electrophysiological data.  ... 
doi:10.1101/469783 fatcat:wjvczypj4rh5dn273qebupohrm

Electrophysiological evidence of abnormal activation of the cerebral network of involuntary attention in alcoholism

Maria Dolores Polo, Carles Escera, Elena Yago, Kimmo Alho, Antoni Gual, Carles Grau
2003 Clinical Neurophysiology  
markers of impaired involuntary attention mechanisms in chronic alcoholism. q  ...  Here, a task designed to investigate with event-related brain potentials (ERPs) the neural mechanism underlying distraction was used to show abnormal involuntary orienting of attention in chronic alcoholism  ...  Acknowledgements This study was supported by BIOMED-2 contract BMH4-CT96-0819-COBRAIN of the European Union, grant UE96-0038 from the Spanish Ministry of Science and Technology, and grants SGR1999-00264  ... 
doi:10.1016/s1388-2457(02)00336-x pmid:12495774 fatcat:nkwntzungza6lbvmvxj7pgwtvy

Crossmodal semantic congruence can affect visuo-spatial processing and activity of the fronto-parietal attention networks

Serena Mastroberardino, Valerio Santangelo, Emiliano Macaluso
2015 Frontiers in Integrative Neuroscience  
We relate the activation of the attention networks to these updating operations.  ...  The fMRI analyses revealed greater activity for invalid than for valid trials in the dorsal and the ventral fronto-parietal attention networks.  ...  Acknowledgments The Neuroimaging Laboratory, Santa Lucia Foundation, is supported by The Italian Ministry of Health.  ... 
doi:10.3389/fnint.2015.00045 pmid:26217199 pmcid:PMC4498104 fatcat:jhcqygqmuncsddfwsfhwvaa6ry

Neural mechanisms of attention involved in perception and action: From neuronal activity to network

Tetsuo Kida, Ryusuke Kakigi
2015 The Journal of Physical Fitness and Sports Medicine  
the functional properties of the human brain network underlying attentional control.  ...  Recent studies have demonstrated that the functionality of attention and related brain activities are improved by exercise and sports activities.  ...  examine network properties in terms of network science.  ... 
doi:10.7600/jpfsm.4.161 fatcat:ozfe334rfferbiajix6gcrt5ae

MLNET: An Adaptive Multiple Receptive-Field Attention Neural Network for Voice Activity Detection

Zhenpeng Zheng, Jianzong Wang, Ning Cheng, Jian Luo, Jing Xiao
2020 Interspeech 2020  
The MLNET leveraged multi-branches to extract multiple contextual speech information and investigated an effective attention block to weight the most crucial parts of the context for final classification  ...  In order to solve this problem, this paper proposed an adaptive multiple receptive-field attention neural network, called MLNET, to finish VAD task.  ...  Note that the weight W0 of first layer followed a leaky relu activation function. After obtaining at, the attentioned or scaled feature matrix would be calculated through (4)- (7) .  ... 
doi:10.21437/interspeech.2020-2392 dblp:conf/interspeech/ZhengWCLX20 fatcat:krv6lgjd6zdarhyuzpgihni6rm

Whisper Activity Detection Using CNN-LSTM Based Attention Pooling Network Trained for a Speaker Identification Task

Abinay Reddy Naini, Malla Satyapriya, Prasanta Kumar Ghosh
2020 Interspeech 2020  
Index Terms: Whisper activity detection, whispered speech, attention pooling network.  ...  However, this LSTM network is trained by keeping it as an attention pooling layer to a Convolutional neural network (CNN), which is trained for a speaker identification task.  ...  The classification network block contains two fully connected layers with relu and softmax activation. The implementation details of the CNN-LSTM attention network are given in Fig 2.  ... 
doi:10.21437/interspeech.2020-3217 dblp:conf/interspeech/NainiSG20 fatcat:dddjnb5x7jempcn54u4ebtvwuq

Hemifield-specific Correlations between Cue-related Blood Oxygen Level Dependent Activity in Bilateral Nodes of the Dorsal Attention Network and Attentional Benefits in a Spatial Orienting Paradigm

Helen C. Mayrhofer, Felix Duecker, Vincent van de Ven, Heidi I. L. Jacobs, Alexander T. Sack
2019 Journal of Cognitive Neuroscience  
The dorsal attention network (DAN) is known to be involved in shifts of spatial attention or in orienting.  ...  Results showed that activation in frontal and parietal nodes of the DAN could explain a significant proportion of the interindividual variance in attentional benefits.  ...  We thank Giancarlo Valente, Lourens Waldorp, and Gerard van Breukelen for their help with the statistical aspects of hypothesis testing in the context of our study.  ... 
doi:10.1162/jocn_a_01338 pmid:30240311 fatcat:i6vgfv3bfjbe3itaupcof2txoq

Evaluation of a structural polymorphism in the ankyrin repeat and kinase domain containing 1 (ANKK1) gene and the activation of executive attention networks

2006 Cognitive, Affective, & Behavioral Neuroscience  
attention network.  ...  Functional Magnetic Resonance Imaging We used event-related fMRI to study the changes in brain activity of these attentional networks.  ... 
doi:10.3758/cabn.6.1.71 pmid:16869231 fatcat:e6p4qowvkjcrjlnkov6wcehlnu

Aberrant regulation of synchronous network activity by the attention-deficit/hyperactivity disorder-associated human dopamine D4 receptor variant D4.7 in the prefrontal cortex

Ping Zhong, Wenhua Liu, Zhen Yan
2015 Journal of Physiology  
ADHD, normalized the effects of hD4.7 on synchronous network bursts in PFC pyramidal neurons. r The findings of the present study suggest that the aberrant regulation of PFC synchronous network activity  ...  It is suggested that the aberrant regulation of PFC network activity by hD4.7 may underlie its involvement in ADHD.  ...  close to hD4.4 in the regulation of PFC synchronized network activity.  ... 
doi:10.1113/jp271317 pmid:26541360 fatcat:7s464zynybalxmx5qhclvzceyi

Efficient "Pop-Out" Visual Search Elicits Sustained Broadband Gamma Activity in the Dorsal Attention Network

T. Ossandon, J. R. Vidal, C. Ciumas, K. Jerbi, C. M. Hamame, S. S. Dalal, O. Bertrand, L. Minotti, P. Kahane, J.-P. Lachaux
2012 Journal of Neuroscience  
Our findings support the hypothesis that active visual search systematically involves the frontal-parietal attention network and therefore, executive attention resources, regardless of target saliency.  ...  the entire dorsal attention network both in efficient and inefficient search conditions.  ...  Together, our findings support the view that active visual search systematically involves the frontal-parietal attention network and therefore, executive attention resources, regardless of target saliency  ... 
doi:10.1523/jneurosci.6048-11.2012 pmid:22399764 pmcid:PMC6621042 fatcat:4xxq75ambjcz5k4ezjss4y7y6i

Pupil size signals mental effort deployed during multiple object tracking and predicts brain activity in the dorsal attention network and the locus coeruleus

D. Alnaes, M. H. Sneve, T. Espeseth, T. Endestad, S. H. P. van de Pavert, B. Laeng
2014 Journal of Vision  
Moreover, the changes in the pupil correlated with activity in the superior colliculus and the right thalamus, as well as cortical activity in the dorsal attention network, which previous studies have  ...  Attentional effort relates to the allocation of limitedcapacity attentional resources to meet current task demands and involves the activation of top-down attentional systems in the brain.  ...  It is therefore of great interest to investigate whether pupil size changes can signal activity of cortical networks involved in goal-directed attention.  ... 
doi:10.1167/14.4.1 pmid:24692319 fatcat:xljwhtozjvgqfpkrdagspga55m
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