Search Results - "Logothetis, Nikos K."

High-Resolution fMRI Reveals Laminar Differences in Neurovascular Coupling between Positive and Negative BOLD Responses by Goense, Jozien, Merkle, Hellmut, Logothetis, Nikos K.

“…The six cortical layers have distinct anatomical and physiological properties, like different energy use and different feedforward and feedback connectivity…”
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Awakening: Predicting external stimulation to force transitions between different brain states by Deco, Gustavo, Cruzat, Josephine, Cabral, Joana, Tagliazucchi, Enzo, Laufs, Helmut, Logothetis, Nikos K., Kringelbach, Morten L.

“…A fundamental problem in systems neuroscience is how to force a transition from one brain state to another by external driven stimulation in, for example,…”
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Frequency-Band Coupling in Surface EEG Reflects Spiking Activity in Monkey Visual Cortex by Whittingstall, Kevin, Logothetis, Nikos K.

“…Although the electroencephalogram (EEG) is widely used in research and clinical settings, its link to the underlying neural activity during sensory processing…”
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Neuronal Discharges and Gamma Oscillations Explicitly Reflect Visual Consciousness in the Lateral Prefrontal Cortex by Panagiotaropoulos, Theofanis I., Deco, Gustavo, Kapoor, Vishal, Logothetis, Nikos K.

“…Neuronal discharges in the primate temporal lobe, but not in the striate and extrastriate cortex, reliably reflect stimulus awareness. However, it is not clear…”
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Von Economo Neurons in the Anterior Insula of the Macaque Monkey by Evrard, Henry C., Forro, Thomas, Logothetis, Nikos K.

“…The anterior insular cortex (AIC) and its unique spindle-shaped von Economo neuron (VEN) emerged within the last decade as having a potentially major role in…”
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The amplitude and timing of the BOLD signal reflects the relationship between local field potential power at different frequencies by Magri, Cesare, Schridde, Ulrich, Murayama, Yusuke, Panzeri, Stefano, Logothetis, Nikos K

“…There is growing evidence that several components of the mass neural activity contributing to the local field potential (LFP) can be partly separated by…”
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Theta coupling between V4 and prefrontal cortex predicts visual short-term memory performance by Liebe, Stefanie, Hoerzer, Gregor M, Logothetis, Nikos K, Rainer, Gregor

“…Using direct recordings in monkeys, the authors find that theta-band synchronization between V4 and prefrontal cortex is likely to be important for the…”
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Cell-Targeted Optogenetics and Electrical Microstimulation Reveal the Primate Koniocellular Projection to Supra-granular Visual Cortex by Klein, Carsten, Evrard, Henry C., Shapcott, Katharine A., Haverkamp, Silke, Logothetis, Nikos K., Schmid, Michael C.

“…Electrical microstimulation and more recently optogenetics are widely used to map large-scale brain circuits. However, the neuronal specificity achieved with…”
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Spike-Phase Coding Boosts and Stabilizes Information Carried by Spatial and Temporal Spike Patterns by Kayser, Christoph, Montemurro, Marcelo A., Logothetis, Nikos K., Panzeri, Stefano

“…Several neural codes have been proposed in order to explain how neurons encode sensory information. Here we tested the hypothesis that different codes might be…”
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In Vivo Measurement of Cortical Impedance Spectrum in Monkeys: Implications for Signal Propagation by Logothetis, Nikos K., Kayser, Christoph, Oeltermann, Axel

“…To combine insights obtained from electric field potentials (LFPs) and neuronal spiking activity (MUA) we need a better understanding of the relative spatial…”
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Neurophysiology of the BOLD fMRI Signal in Awake Monkeys by Goense, Jozien B.M., Logothetis, Nikos K.

“…Simultaneous intracortical recordings of neural activity and blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) in primary visual…”
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Voice Cells in the Primate Temporal Lobe by Perrodin, Catherine, Kayser, Christoph, Logothetis, Nikos K., Petkov, Christopher I.

“…Communication signals are important for social interactions and survival and are thought to receive specialized processing in the visual and auditory systems…”
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Mapping optogenetically-driven single-vessel fMRI with concurrent neuronal calcium recordings in the rat hippocampus by Chen, Xuming, Sobczak, Filip, Chen, Yi, Jiang, Yuanyuan, Qian, Chunqi, Lu, Zuneng, Ayata, Cenk, Logothetis, Nikos K., Yu, Xin

“…Extensive in vivo imaging studies investigate the hippocampal neural network function, mainly focusing on the dorsal CA1 region given its optical…”
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Visual Modulation of Neurons in Auditory Cortex by Kayser, Christoph, Petkov, Christopher I., Logothetis, Nikos K.

“…Our brain integrates the information provided by the different sensory modalities into a coherent percept, and recent studies suggest that this process is not…”
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The underpinnings of the BOLD functional magnetic resonance imaging signal by Logothetis, Nikos K

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Hippocampal Sharp-Wave Ripples Influence Selective Activation of the Default Mode Network by Kaplan, Raphael, Adhikari, Mohit H., Hindriks, Rikkert, Mantini, Dante, Murayama, Yusuke, Logothetis, Nikos K., Deco, Gustavo

“…The default mode network (DMN) is a commonly observed resting-state network (RSN) that includes medial temporal, parietal, and prefrontal regions involved in…”
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Decoding internally generated transitions of conscious contents in the prefrontal cortex without subjective reports by Kapoor, Vishal, Dwarakanath, Abhilash, Safavi, Shervin, Werner, Joachim, Besserve, Michel, Panagiotaropoulos, Theofanis I., Logothetis, Nikos K.

“…A major debate about the neural correlates of conscious perception concerns its cortical organization, namely, whether it includes the prefrontal cortex (PFC),…”
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Diversity of sharp-wave–ripple LFP signatures reveals differentiated brain-wide dynamical events by Ramirez-Villegas, Juan F., Logothetis, Nikos K., Besserve, Michel

“…Sharp-wave–ripple (SPW-R) complexes are believed to mediate memory reactivation, transfer, and consolidation. However, their underlying neuronal dynamics at…”
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Visual Enhancement of the Information Representation in Auditory Cortex by Kayser, Christoph, Logothetis, Nikos K., Panzeri, Stefano

“…Combining information across different sensory modalities can greatly facilitate our ability to detect, discriminate, or recognize sensory stimuli [1, 2]…”
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fMRI of the Face-Processing Network in the Ventral Temporal Lobe of Awake and Anesthetized Macaques by Ku, Shih-Pi, Tolias, Andreas S., Logothetis, Nikos K., Goense, Jozien

“…The primate brain features specialized areas devoted to processing of faces, which human imaging studies localized in the superior temporal sulcus (STS) and…”
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