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  • 1
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    Series available for loan
    Kontinentale Sedimentation der Kreide und des Alttertiärs im Umfeld des subduktionsbedingten Magmatismus in der chilenischen Präkordillere (21 -23 S) (1990)
    Berlin : Selbstverl. Fachbereich Geowissenschaften
    Associated volumes
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    Call number: S 90.0061(123)
    In: Berliner geowissenschaftliche Abhandlungen
    Type of Medium: Series available for loan
    Pages: 117 S. + 2 Kt.-Beil.
    ISBN: 3927541214
    ISSN: 0172-8784
    Series Statement: Berliner geowissenschaftliche Abhandlungen : Reihe A, Geologie und Paläontologie 123
    Language: German
    Location: Lower compact magazine
    Branch Library: GFZ Library
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    Advances in cognitive neurodynamics (VI) : proceedings of the Sixth International Conference on Cognitive Neurodynamics – 2017 (2018)
    Singapore : Springer
    Details
    Call number: 9789811088544 (e-book)
    Description / Table of Contents: This proceedings contains articles submitted to the sixth International Conference on Cognitive Neurodynamics (ICCN2017). The Meeting included plenary lectures, specialized symposia, and posters presentations. The main topics of the meeting addressed the general substrates underlying neural functions and the neural dynamics in sensory, motor, and cognitive systems. Other important neuroscience fields covered in the meeting were learning and memory processes and the functionally-related changes in synaptic strength, neural oscillations, synchronizations and coherence activities between different neural circuits, and the imaging of cognitive networks. Finally, specific articles covered several fields related to neural computation and neuroengineering, the modelling higher-order functions and dysfunctions and the experimental design of brain-to-computer and brain-to-brain interactions. All articles were peer-reviewed. The ICCN is a series conference that takes place every two years since 2007.
    Type of Medium: 12
    Pages: 1 Online-Ressource (xviii, 407 Seiten) , Illustrationen
    Edition: Springer eBook Collection. Biomedical and Life Sciences
    ISBN: 9789811088544 , 978-981-10-8854-4
    ISSN: 2213-3569 , 2213-3577
    Series Statement: Advances in Cognitive Neurodynamics
    URL: Ebook (access only within the AWI network)
    DOI: 10.1007/978-981-10-8854-4
    Language: English
    Note: Contents Part I Neural Dynamics in Motor and Sensory Systems and in Cognitive Functions 1 Decomposition of Superimposed Chaotic Spike Sequences by Using the Bifurcating Neuron / Akihiro Yamaguchi, Yutaka Yamaguti, and Masao Kubo 2 Neural Energy Properties and Mental Exploration Based on Neural Energy Field Gradient / Yihong Wang, Xuying Xu, and Rubin Wang 3 Information Coded in the Striatum During Decision-Making / Makoto Ito and Kenji Doya 4 A Comparison of Reward Values Encoding Function Between the Prefrontal Cortex and Striatum in Monkey / Zaizhi Wen, Jianhua Zhang, and Xiaochuan Pan 5 Injection of Muscimol into Prefrontal Cortex Impairs Monkey’s Reward Transitive Inference / Xiaochuan Pan, Rubin Wang, and Masamichi Sakagami 6 Behavioral and Cognitive Impairments Induced by Low Doses of MK-801 and Ketamine / Marta Lovera-Ulecía, Lucía Moreno-Lama, María Ángeles Gómez-Climent, José M. Delgado-García, and Agnès Gruart 7 Changes in Brain Activity During Instrumental Behavior After Additional Learning in Rats / Vladimir Gavrilov 8 Coincidence Detection and Absolute Threshold in the Auditory Brainstem / Ray Meddis 9 Simultaneous Observation and Imagery of Hand Movement Enhance Event-Related Desynchronization of Stroke Patients / Atsuhiro Ichidi, Yuka Hanafusa, Tatsunori Itakura, and Toshihisa Tanaka 10 Behavioral and Brain Activity Modulation Through Neurofeedback Training Using Electroencephalography / Takuya Kimura and Jiro Okuda Part II Cognitive Network and Multi-scale Neural Network Dynamics 11 Network Model for Dynamics of Perception with Reservoir Computing and Predictive Coding / Yuichi Katori 12 Analysis of Structure-Function Relationship Using a Whole-Brain Dynamic Model Based on MRI Images of the Common Marmoset / Hiromichi Tsukada, Hiroaki Hamada, Ken Nakae, Shin Ishii, Junichi Hata, Hideyuki Okano, and Kenji Doya 13 A Structure and Function of Hippocampal Memory Networks in Consolidating Spatiotemporal Contexts / Hiromichi Tsukada, Minoru Tsukada, and Yoshikazu Isomura 14 A Pseudo-neuron Device and Firing Dynamics of Their Networks Similar to Neural Synchronizing Phenomena Between Far Local Fields in the Brain /Tomoyuki Yano, Yoshitomo Goto, Tomoyuki Nagaya, Ichiro Tsuda, and Shigetoshi Nara 15 Neurodynamics on Up and Down Transitions of Membrane Potential: From Single Neuron to Network / Xuying Xu, Rubin Wang, and Jianting Cao 16 Effects of Temporal Integration on Computational Performance of Spiking Neural Network / Fangzheng Xue, Yang Zhang, Hongjun Zhou, and Xiumin Li 17 Anticipatory Top-Down Interactive Neural Dynamics / Steven L. Bressler 18 Coherence-Based Coding in Spiking Neural Network with Global Inhibitory Feedback / Jinli Xie, Qinjun Zhao, and Jianyu Zhao 19 Time-Varying Scalp EEG Network Patterns for Music Tempo Perception /Wei Xu, Yin Tian, Haiyong Zhang, Huiling Zhang, Zhongyan Wang, Li Yang, Shuxing Zheng, Yupan Shi, Xing Zhao, Dechun Zhao, Xiuxing Wang, Yu Pang, and Zhangyong Li 20 Serotonin 5-HT1A Receptors Modulate Neural Rhythms in Prefrontal Cortex and Hippocampus and Prefronto-Hippocampal Connectivity in Alert Mice / Thomas Gener, Adrià Tauste-Campo, Maria Alemany-González, Cristina Delgado-Sallent, and Maria Victoria Puig Part III Neuroengineering, Neuroinformation and Brain Computer Interaction 21 A New Paradigm Based on Dynamic Visual Stimulation in BCI / Zhaoyang Qiu, Jing Jin, Hanhan Zhang, Yu Zhang, Bei Wang, and Xingyu Wang 22 Asynchronous Stimulation Method for N100-P300 Speller / Natsuki Morita and Yoshikazu Washizawa 23 Attention Evaluation Based on Single Prefrontal EEG / Jianhai Zhang, Gaomin Liu, Shaokai Zhao, and Wenhao Huang 24 Multi-Linc: A New Approach for Exploring Inter-areal Spike Communication / Yoshikazu Isomura 25 Intra-body Communication as an Emerging Approach to Neuromodulation / Javier Reina-Tosina, M. Amparo Callejón, Laura Fernández, and Laura M. Roa 26 Electrophysiology Techniques in Visual Prosthesis / Alejandro Barriga-Rivera and Gregg Jorgen Suaning 27 Application of Video-Oculography for the Analysis of the Vestibulo-Ocular Reflex in Acute Hypoxic Mice / Juan Carlos López-Ramos, Ana Belén García Cebrián, and José M. Delgado-García 28 RatButton: A User-Friendly Touchscreen Presentation Software / Celia Andreu-Sánchez, Miguel Ángel Martín-Pascual, Agnès Gruart, and José María Delgado-García 29 ERFo: An Algorithm for Extracting a Range of Optimal Frequencies for Filtering Electrophysiological Recordings / C. Rocío Caro-Martín, Agnès Gruart, José M. Delgado-García, and Alessandro E. P. Villa 30 VISSOR: An Algorithm for the Detection, Identification, and Classification of the Action Potentials Distributed Across Electrophysiological Recordings / C. Rocío Caro-Martín, José M. Delgado-García, Agnès Gruart, and Raudel Sánchez-Campusano Part IV Modelling Higher-Order Functions and Dysfunctions 31 Influence of β-Amyloid Plaques on the Local Network Activity in the APP/PS1 Mouse Model of Alzheimer’s Disease / Patricia Castano-Prat, Guillermo Aparicio-Torres, Alberto Muñoz, and Maria V. Sanchez-Vives 32 Altered Functional Connectivity in a Mouse Model of Fragile X Syndrome / Miguel Dasilva, Alvaro Navarro-Guzman, Luca Maiolo, Andres Ozaita, and Maria V. Sanchez-Vives 33 Multiple Epileptogenic Foci Can Promote Seizure Discharge Onset and Propagation / Denggui Fan and Qingyun Wang 34 An ERP Study Reveals How Training with Dual N-Back Task Affects Risky Decision Making in a Gambling Task in ADHD Patients / Sarah K. Mesrobian, Alessandra Lintas, Manon Jaquerod, Michel Bader, Lorenz Götte, and Alessandro E. P. Villa 35 Working Memory Development in Attention Deficit Children and Adolescents / Elena I. Rodríguez-Martínez, Antonio Arjona-Valladares, Francisco J. Ruíz-Martínez, Manuel Morales, Catarina I. Barriga-Paulino, Jaime Gómez-González, and Carlos M. Gómez 36 Spectral Power and Maturational Frequency-Coupling Differences Between Attention Deficit and Control Children and Adolescents / Elena I. Rodríguez-Martínez, Brenda Y. Angulo-Ruíz, Antonio Arjona-Valladares, Francisco J. Ruíz-Martinez, Jaime Gómez-González, and Carlos M. Gómez 37 Event-Related Potentials During a Delayed Match-to-Sample Test to Evaluate Working Memory Development in Control and Attention Deficit Children and Adolescents / Antonio Arjona-Valladares, Elena I. Rodríguez-Martínez, Francisco J. Ruíz-Martínez, Jaime Gómez-González, and Carlos M. Gómez 38 Postnatal Development of Sleep-Wake Cycle in Wild-Type Mice / Ángeles Prados-Pardo, Sandra Yaneth Prieto-Soler, and Eduardo Domínguez-del-Toro 39 Complexity of Heart Rate As a Value of Behavioral Complexity / Anastasiia Bakhchina 40 Neural Generators of the N2 Component for Abstinent Heroin Addicts in a Dot-Probe Task / Hongqian Li, Qinglin Zhao, Bin Hu, Yu Zhou, and Quanying Liu Part V Oscillation, Synchronization, Neural Plasticity, and Coordination Dynamics from Neural to Social Systems 41 Changes in Phase Synchronization of EEG During Development of Symbolic Communication Systems / Masayuki Fujiwara, Takashi Hashimoto, Guanhong Li, Jiro Okuda, Takeshi Konno, Kazuyuki Samejima, and Junya Morita 42 Effect of Spike-Timing-Dependent Plasticity on Stochastic Spike Synchronization in an Excitatory Neuronal Population / Sang-Yoon Kim and Woochang Lim 43 Alpha Phase Is Regulated by Gamma Power in Mouse Hippocampus / Tao Zhang, Xiaxia Xu, and Zhuo Yang 44 Quantitative Analysis of Functional Connectivity Between Prefrontal Cortex and Striatum in Monkey / Zaizhi Wen, Jianhua Zhang, Xiaochuan Pan, and Rubin Wang 45 Spontaneous Theta Rhythm Predicts Insomnia Duration: A Resting-State EEG Study / Wenrui Zhao, Dong Gao, Faguo Yue, Yanting Wang, Dandan Mao, Tianqiang Liu, and Xu Lei 46 Differences in Perceiving Narratives Through Screens or Reality / Miguel Ángel Martín-Pascual, Celia Andreu-Sánchez, José M. Delgado-García, and Agnès Gruart 47 Self-Organization with Constraints: The Significance of Invariant Manifolds / Ichiro Tsuda 48 On the Nature of Coordination in Nature / Emmanuelle Tognoli,
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    Bigravitational inflation (2012)
    American Physical Society
    Details
    Publication Date: 2012-12-19
    Print ISSN: 1550-7998
    Electronic ISSN: 1550-2368
    Topics: Physics
    Published by American Physical Society
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  • 4
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    Transcranial direct-current stimulation modulates synaptic mechanisms involved in associative learning in behaving rabbits (2012)
    National Academy of Sciences
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    Publication Date: 2012-04-09
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
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    Compatibility of the large quasar groups with the concordance cosmological model (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: We study the compatibility of large quasar groups with the concordance cosmological model. Large quasar groups are very large spatial associations of quasars in the cosmic web, with sizes of 50–250 h –1  Mpc. In particular, the largest large quasar group known, named Huge-LQG, has a longest axis of ~860 h –1  Mpc, larger than the scale of homogeneity (~260 Mpc), which has been noted as a possible violation of the cosmological principle. Using mock catalogues constructed from the Horizon Run 2 cosmological simulation, we found that large quasar groups size, quasar member number and mean overdensity distributions in the mocks agree with observations. The Huge-LQG is found to be a rare group with a probability of 0.3 per cent of finding a group as large or larger than the observed, but an extreme value analysis shows that it is an expected maximum in the sample volume with a probability of 19 per cent of observing a largest quasar group as large or larger than Huge-LQG. The Huge-LQG is expected to be the largest structure in a volume at least 5.3 ± 1 times larger than the one currently studied.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 6
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    Strong lensing in the inner halo of galaxy clusters (2016)
    Oxford University Press
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    Publication Date: 2016-06-30
    Description: We present an axially symmetric formula to calculate the probability of finding gravitational arcs in galaxy clusters, being induced by their massive dark matter haloes, as a function of clusters redshifts and virial masses. The formula includes the ellipticity of the clusters dark matter potential by using a pseudo-elliptical approximation. The probabilities are calculated and compared for two dark matter halo profiles, the Navarro, Frenk and White (NFW) and the non-singular-isothermal-sphere (NSIS). We demonstrate the power of our formulation through a Kolmogorov–Smirnov (KS) test on the strong lensing statistics of an X-ray bright sample of low-redshift Abell clusters. This KS test allows us to establish limits on the values of the concentration parameter for the NFW profile ( $c_\Delta$ ) and the core radius for the NSIS profile ( r c ), which are related to the lowest cluster redshift ( z cut ) where strong arcs can be observed. For NFW dark matter profiles, we infer cluster haloes with concentrations that are consistent to those predicted by CDM simulations. As for NSIS dark matter profiles, we find only upper limits for the clusters core radii and thus do not rule out a purely SIS model. For alternative mass profiles, our formulation provides constraints through z cut on the parameters that control the concentration of mass in the inner region of the clusters haloes. We find that z cut is expected to lie in the 0.0–0.2 redshift, highlighting the need to include very low- z clusters in samples to study the clusters mass profiles.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 7
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    Ultraviolet Fe II emission in fainter quasars: luminosity dependences, and the influence of environments (2016)
    Oxford University Press
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    Publication Date: 2016-06-06
    Description: We investigate the strength of ultraviolet Fe ii emission in fainter quasars compared with brighter quasars for 1.0 ≤ z ≤ 1.8, using the Sloan Digital Sky Survey (SDSS) DR7QSO catalogue and spectra of Schneider et al., and the SDSS Faint Quasar Survey (SFQS) catalogue and spectra of Jiang et al. We quantify the strength of the UV Fe ii emission using the W 2400 equivalent width of Weymann et al., which is defined between two rest-frame continuum windows at 2240–2255 and 2665–2695 Å. The main results are the following. (1) We find that for W 2400 25 Å there is a universal (i.e. for quasars in general) strengthening of W 2400 with decreasing intrinsic luminosity, L 3000. (2) In conjunction with previous work by Clowes et al., we find that there is a further, differential , strengthening of W 2400 with decreasing L 3000 for those quasars that are members of Large Quasar Groups (LQGs). (3) We find that increasingly strong W 2400 tends to be associated with decreasing full width at half maximum (FWHM) of the neighbouring Mg ii 2798 broad emission line. (4) We suggest that the dependence of W 2400 on L 3000 arises from Lyα fluorescence. (5) We find that stronger W 2400 tends to be associated with smaller virial estimates from Shen et al. of the mass of the central black hole, by a factor of ~2 between the ultrastrong emitters and the weak. Stronger W 2400 emission would correspond to smaller black holes that are still growing. The differential effect for LQG members might then arise from preferentially younger quasars in the LQG environments.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 8
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    Direct currents modulate cortical activity [Neuroscience] (2012)
    National Academy of Sciences
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    Publication Date: 2012-04-25
    Description: Transcranial direct-current stimulation (tDCS) is a noninvasive brain stimulation technique that has been successfully applied for modulation of cortical excitability. tDCS is capable of inducing changes in neuronal membrane potentials in a polarity-dependent manner. When tDCS is of sufficient length, synaptically driven after-effects are induced. The mechanisms underlying these after-effects are largely unknown, and there is a compelling need for animal models to test the immediate effects and after-effects induced by tDCS in different cortical areas and evaluate the implications in complex cerebral processes. Here we show in behaving rabbits that tDCS applied over the somatosensory cortex modulates cortical processes consequent to localized stimulation of the whisker pad or of the corresponding area of the ventroposterior medial (VPM) thalamic nucleus. With longer stimulation periods, poststimulation effects were observed in the somatosensory cortex only after cathodal tDCS. Consistent with the polarity-specific effects, the acquisition of classical eyeblink conditioning was potentiated or depressed by the simultaneous application of anodal or cathodal tDCS, respectively, when stimulation of the whisker pad was used as conditioned stimulus, suggesting that tDCS modulates the sensory perception process necessary for associative learning. We also studied the putative mechanisms underlying immediate effects and after-effects of tDCS observed in the somatosensory cortex. Results when pairs of pulses applied to the thalamic VPM nucleus (mediating sensory input) during anodal and cathodal tDCS suggest that tDCS modifies thalamocortical synapses at presynaptic sites. Finally, we show that blocking the activation of adenosine A1 receptors prevents the long-term depression (LTD) evoked in the somatosensory cortex after cathodal tDCS.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 9
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    Environments of strong/ultrastrong, ultraviolet Fe II emitting quasars (2013)
    Oxford University Press
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    Publication Date: 2013-07-14
    Description: We have investigated the strength of ultraviolet (UV) Fe ii emission from quasars within the environments of large quasar groups (LQGs) in comparison with quasars elsewhere, for 1.1 ≤ z LQG ≤ 1.7, using the DR7QSO catalogue of the Sloan Digital Sky Survey. We use the Weymann et al. W 2400 equivalent width, defined between the rest-frame continuum windows 2240–2255 and 2665–2695 Å, as the measure of the UV Fe ii emission. We find a significant shift of the W 2400 distribution to higher values for quasars within LQGs, predominantly for those LQGs with 1.1 ≤ z LQG ≤ 1.5. There is a tentative indication that the shift to higher values increases with the quasar i magnitude. We find evidence that within LQGs the ultrastrong emitters with W 2400 ≥ 45 Å (more precisely, ultrastrong plus with W 2400 ≥ 44 Å) have preferred nearest-neighbour separations of ~30–50 Mpc to the adjacent quasar of any W 2400 strength. No such effect is seen for the ultrastrong emitters that are not in LQGs. The possibilities for increasing the strength of the Fe ii emission appear to be iron abundance, Lyα fluorescence and microturbulence, and probably all of these operate. The dense environment of the LQGs may have led to an increased rate of star formation and an enhanced abundance of iron in the nuclei of galaxies. Similarly, the dense environment may have led to more active blackholes and increased Lyα fluorescence. The preferred nearest-neighbour separation for the stronger emitters would appear to suggest a dynamical component, such as microturbulence. In one particular LQG, the Huge-LQG (the largest structure known in the early Universe), six of the seven strongest emitters very obviously form three pairings within the total of 73 members.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 10
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    Bigravitational inflation (2012)
    American Physical Society (APS)
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    Publication Date: 2012-12-20
    Description: Author(s): Vicente Atal, Luis E. Campusano, and Gonzalo A. Palma We study the realization of cosmic inflation in bigravity theories. By analyzing the evolution of scalar, vector, and tensor perturbations in de Sitter-like spacetimes, we find strong stability constraints on the class of viable vacua offered by these theories. More specifically, the only stable de ... [Phys. Rev. D 86, 123521] Published Wed Dec 19, 2012
    Keywords: Astrophysics & Cosmology
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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