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Information flow between interacting human brains: Identification, validation, and relationship to social expertise

Edda Bilek, Matthias Ruf, Axel Schäfer, Ceren Akdeniz, Vince D. Calhoun, Christian Schmahl, Charmaine Demanuele, Heike Tost, Peter Kirsch, Andreas Meyer-Lindenberg
2015 Proceedings of the National Academy of Sciences of the United States of America  
Interacting dyads, the simplest and fundamental form of human interaction, have been examined with behavioral setups that used real movement interactions during communication in real time as a proxy (1  ...  To do so, we implemented a setup with delay-free data transmission and precisely synchronized data acquisition, in addition to a live video stream provided between scanner sites during the entire session  ...  Significant differences in neural coupling were observable within a delay time bin between the neural signals of 0 s to ∼3 s, which is a plausible time frame necessary for the information to be transferred  ... 
doi:10.1073/pnas.1421831112 pmid:25848050 pmcid:PMC4413334 fatcat:fk2kqpbfibbdfg44ts5lxbe444

Design of a Bioelectronics Hybrid System in Real Time and in Closed Loop

Guilherme Bontorin, André Garenne, Colin Lopez, Gwendal Le Masson, Sylvie Renaud
2012 Electronics  
Hynets, for Hybrid (living-artificial) Networks, are an efficient and adaptable experimental support to explore the dynamics and the adaptation process of biological systems.  ...  We present in this paper an innovative platform performing a realtime closed-loop between a cultured network (e.g. neurons) and an artificial processing (e.g. software processing or a robotic interface  ...  Electronics circuitry in Hynets can emulate a functional neural network embodied inside a living network to form a unique hybrid network, as long as real-time communication is ensured between the artificial  ... 
doi:10.7251/els1216136b fatcat:njsp4tguajhaxp6ytig4gcvudi

Imaging of Molecular Dynamics Regulated by Electrical Activities in Neural Circuits and in Synapses

Ritsuko Fujii, Michinori Ichikawa, Miwako Ozaki
2008 Neurosignals  
describe recent optical imaging studies conducted by elaborate methods and techniques that provide evidence for the link between neural activity and molecular dynamics.  ...  Acknowledgements This work was supported in part by grants from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) and Academic Frontier Project for Private Universities in Japan  ...  transduction in the neural network.  ... 
doi:10.1159/000123037 pmid:18635943 fatcat:j3rsmhkdhzb7ji5pmk5ohworjm

NeuroTec Sitem-Insel Bern: Closing the Last Mile in Neurology

Kaspar A. Schindler, Tobias Nef, Maxime O. Baud, Athina Tzovara, Gürkan Yilmaz, Gerd Tinkhauser, Stephan M. Gerber, Oriella Gnarra, Jan D. Warncke, Narayan Schütz, Samuel E. J. Knobel, Markus H. Schmidt (+5 others)
2021 Clinical and Translational Neuroscience  
in the clinic for economical and logistical reasons.  ...  Neurology is focused on a model where patients receive their care through repeated visits to clinics and doctor's offices.  ...  extracted from brain or other signal sources in real time [11] .  ... 
doi:10.3390/ctn5020013 fatcat:6yndap6k6faubcahuye43fybqu

A Review of Deep Learning-Based Contactless Heart Rate Measurement Methods

Aoxin Ni, Arian Azarang, Nasser Kehtarnavaz
2021 Sensors  
Contactless methods involve the utilization of a video camera and image processing algorithms.  ...  The interest in contactless or remote heart rate measurement has been steadily growing in healthcare and sports applications.  ...  In this method, a 3D convolutional neural network is used for pulse signal extraction.  ... 
doi:10.3390/s21113719 pmid:34071736 fatcat:prbibdmigrdqbf3tyqtr4a6hom

Inferring User Facial Affect in Work-like Settings [article]

Chaudhary Muhammad Aqdus Ilyas, Siyang Song, Hatice Gunes
2021 Zenodo  
has proven to be more flexible, applicable and useful for naturalistic and real-world settings.  ...  In line with this aim, we first design a study with different conditions and gather multimodal data from 12 subjects.  ...  Recording Setup The recording setup is illustrated in Fig. 1 .  ... 
doi:10.5281/zenodo.6599156 fatcat:q3esdvdh7fb7zhak7m5c4xp3va

In vivorobotics: the automation of neuroscience and other intact-system biological fields

Suhasa B. Kodandaramaiah, Edward S. Boyden, Craig R. Forest
2013 Annals of the New York Academy of Sciences  
Robotic and automation strategies are beginning to play a greater role in in vivo and in situ sciences, especially when it comes to the difficult in vivo experiments required for understanding the neural  ...  Robotic and automation technologies have played a huge role in in vitro biological science, having proved critical for scientific endeavors such as genome sequencing and high-throughput screening.  ...  experiment, and real-time logging and analyzing of the acquired data.  ... 
doi:10.1111/nyas.12171 pmid:23841584 pmcid:PMC3797229 fatcat:p7rkfksjiradzdyjibqdtumjee

Wireless Neurosensor for Full-Spectrum Electrophysiology Recordings during Free Behavior

Ming Yin, David A. Borton, Jacob Komar, Naubahar Agha, Yao Lu, Hao Li, Jean Laurens, Yiran Lang, Qin Li, Christopher Bull, Lawrence Larson, David Rosler (+3 others)
2014 Neuron  
Brain recordings in large animal models and humans typically rely on a tethered connection, which has restricted the spectrum of accessible experimental and clinical applications.  ...  To overcome this limitation, we have engineered a compact, lightweight, high data rate wireless neurosensor capable of recording the full spectrum of electrophysiological signals from the cortex of mobile  ...  We also thank the technical staff of Motac Neuroscience Ltd and Daniel Ko for their support in conducting nonhuman primate experiments, Joachim von Zitzewitz for artistic renderings of experimental environments  ... 
doi:10.1016/j.neuron.2014.11.010 pmid:25482026 fatcat:l6rr7pflzrajzldbpxp5cjb6em

Region-specific network plasticity in simulated and living cortical networks: comparison of the center of activity trajectory (CAT) with other statistics

Zenas C Chao, Douglas J Bakkum, Steve M Potter
2007 Journal of Neural Engineering  
Electrically interfaced cortical networks cultured in vitro can be used as a model for studying the network mechanisms of learning and memory.  ...  tetanus-induced plasticity in both simulated and living networks.  ...  We thank Radhika Madhavan for technical assistance and Douglas Swehla for valuable inputs.  ... 
doi:10.1088/1741-2560/4/3/015 pmid:17873432 pmcid:PMC2577565 fatcat:mrirwavbdzbavoqhxyvveihjme

Nanoscale Field-Effect Transistors for Minimally Invasive, High Spatial Resolution, and Three-Dimensional Action Potential Recording [chapter]

Xiaojie Duan
2014 Nanotechnology and Neuroscience: Nano-electronic, Photonic and Mechanical Neuronal Interfacing  
This chapter is devoted to the development and application of nanoscale fi eld-effect transistors (FETs) for neural and cardiac activity recording.  ...  Compared to optical methods, the electrical recording of action potentials has high signal-to-noise ratio (SNR) and temporal resolution.  ...  signal much smaller in amplitude and distinct in shape/time scale from real action potentials.  ... 
doi:10.1007/978-1-4899-8038-0_2 fatcat:7o2xw7azvbavhlsywxzejtvuci

Microfabricated Electrochemical Cell-Based Biosensors for Analysis of Living Cells In Vitro

Jun Wang, Chengxiong Wu, Ning Hu, Jie Zhou, Liping Du, Ping Wang
2012 Biosensors  
When combined with improved biosensor design and advanced measurement systems, the on-line biochemical analysis of living cells in vitro has been applied for biological mechanism study, drug screening  ...  The details in their working principles, measurement systems, and applications in cell monitoring are covered.  ...  Functional cellular assays are employed to monitor several kinds of signals at the same time. Thus the signal-processing of living cells can be profiled in a more detailed and thorough way.  ... 
doi:10.3390/bios2020127 pmid:25585708 pmcid:PMC4263572 fatcat:ca4fowld3vhq5bljtec7yhx5v4

Optical Neural Interfaces

Melissa R. Warden, Jessica A. Cardin, Karl Deisseroth
2014 Annual Review of Biomedical Engineering  
of population and single-cell neural activity in freely moving mammals. 103 Annu.  ...  Here, we review the development of optical neural interfaces, focusing on hardware designed for optical control of neural activity, integrated optical control and electrical readout, and optical readout  ...  Several approaches have been developed for optically monitoring neural signals in freely behaving mammals. (a) Fiber-based bulk tissue optical recording.  ... 
doi:10.1146/annurev-bioeng-071813-104733 pmid:25014785 pmcid:PMC4163158 fatcat:vpcuoauhn5gu7o2az54sqgr3ym

A Minimally Invasive 64-Channel Wireless μECoG Implant

Rikky Muller, Hanh-Phuc Le, Wen Li, Peter Ledochowitsch, Simone Gambini, Toni Bjorninen, Aaron Koralek, Jose M. Carmena, Michel M. Maharbiz, Elad Alon, Jan M. Rabaey
2015 IEEE Journal of Solid-State Circuits  
In this paper, we describe a microsystem based on electrocorticography (ECoG) that overcomes these difficulties, enabling chronic recording and wireless transmission of neural signals from the surface  ...  Emerging applications in brain-machine interface systems require high-resolution, chronic multisite cortical recordings, which cannot be obtained with existing technologies due to high power consumption  ...  Ye, and L. Kong for technical discussion.  ... 
doi:10.1109/jssc.2014.2364824 fatcat:5y2uo3sdw5ahzjfqgzscb4yacy

Functional multineuron calcium imaging for systems pharmacology

Naoya Takahashi, Yuji Takahara, Daisuke Ishikawa, Norio Matsuki, Yuji Ikegaya
2010 Analytical and Bioanalytical Chemistry  
how neuronal activity is altered in animal models of brain diseases, for example stroke, Alzheimer's disease, and epilepsy, and to estimate how pharmacological agents act on normal and abnormal states  ...  of neuronal networks.  ...  The visual display was updated in real time on the basis of the movements of the animal. This setup will be combined with in vivo fMCI.  ... 
doi:10.1007/s00216-010-3740-6 pmid:20437032 fatcat:cipi4cgstrgibjzyed4fa3lgaq

Current Application and Technology of Functional Multineuron Calcium Imaging

Shigehiro Namiki, Yuji Ikegaya
2009 Biological and Pharmaceutical Bulletin  
Ca 2؉ signals. fMCI is used for analysis of various neural circuits under normal and pathological conditions.  ...  In vivo fMCI is still developing. We review optical technologies for fast scanning imaging, deep tissue imaging, and recording from moving animals.  ...  This work was supported in part by a Grant-in-Aid for Science Research on Priority Areas (Elucidation of neural network function in the brain: KAKENHI #20019014), a Grantin-Aid for Science Research (KAKENHI  ... 
doi:10.1248/bpb.32.1 pmid:19122272 fatcat:qylpv25frvd5dlvrtrcwqskupm
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