Neural Noise

2010-12

7 min read

BCI Monthly Roundup — December 2010

1–31 December 2010

Introduction

December 2010 covered 55 items across the weekly briefs, with primary themes in Motor Imagery, Eeg and Bci. Papers and prototypes dominated. Clinical and regulatory items appeared. Industry and funding news was present.

Suggested Titles

  • BCI Monthly Roundup: December 2010
  • Motor Imagery and Eeg: December in BCI
  • From Motor Imagery to Bci: BCI Briefs for December 2010
  • December 2010 BCI: Motor Imagery, Eeg, Bci
  • Neural Interfaces Monthly: December 2010 Highlights

Papers and Prototypes

General BCI Research.

  • 2010 Year in Review: BCI Advances — Journal of Neural Engineering (2011-01-01). Link. Year-end BCI review covering 2010 advances; highlighted CLDA, BrainGate2 progress, ECoG speech advances, and expanding DBS/neurostimulation applications.
  • BCI Tutorial for Clinical Neurologists — Neurologist (2010-12-01). Link. Tutorial introduction to BCIs for clinical neurologists; covered P300, SSVEP, and motor imagery BCIs with emphasis on ALS and locked-in syndrome applications.
  • Open-Source EEG Hardware for BCI Research — Journal of Neural Engineering (2010-12-01). Link. Open-source EEG hardware design for BCI research; documented design achieving 24-bit ADC with <0.5µV noise floor using $250 in components.
  • Neurogaming: BCI Applications in Entertainment — Presence: Teleoperators and Virtual Environments (2010-12-01). Link. Review of BCI gaming applications; documented growing consumer neurotechnology market and performance benchmarks for entertainment BCI devices.

Motor Imagery and Decoding.

  • Grasp Prosthetic from Motor Cortex Neurons — Journal of Neuroscience (2010-12-01). Link. Motor cortex-based prosthetic hand grasp control; decoded 4 grasp types from 96-channel Utah array in macaque with 85% classification accuracy.
  • LFP Oscillation Frequency Decoding for BCI — Journal of Neural Engineering (2010-12-01). Link. LFP oscillation frequency modulation for BCI; showed beta frequency modulation encoded intended movement speed enabling speed-varying BMI control.
  • Cortical Neurons and Prosthetic Hand Adaptation — PNAS (2010-12-07). Link. Motor cortex adaptation to prosthetic hand training; showed progressive neural tuning changes over 10 days of prosthetic hand BMI operation.
  • Biomimetic Neural Decoder for BMI — Journal of Neural Engineering (2010-12-01). Link. Biomimetic BMI decoder incorporating muscle synergy structure; synergy-constrained decoder produced more natural prosthetic hand movements.

Brain–Computer Interfaces.

  • Year-End P300 BCI Review — Journal of Neural Engineering (2010-12-01). Link. Year-end P300 BCI review covering 2010 advances; documented improvements in classifier speed, stimulus optimization, and home deployment for ALS.
  • Personalized Motor Imagery Training — Clinical Neurophysiology (2010-12-01). Link. Personalized training protocol for motor imagery BCI; individualized feedback and training metrics improved BCI performance in 85% of participants.
  • Low-Cost P300 BCI for Developing Countries — Journal of Neural Engineering (2010-12-01). Link. Low-cost P300 BCI design for resource-limited settings; demonstrated reliable P300 detection using $30 amplifier and 4-electrode system.
  • Full-Scale P300 BCI Home Deployment — Frontiers in Neuroscience (2010-12-01). Link. Home deployment of P300 BCI system for 10 ALS patients over 6 months; documented user experiences, technical issues, and reliability metrics.

Neuromodulation and Stimulation.

  • DBS for Obsessive-Compulsive Disorder — Archives of General Psychiatry (2010-12-01). Link. DBS of anterior limb of internal capsule for treatment-resistant OCD; 60% response rate expanding DBS BCI into psychiatric indications beyond depression.
  • Transcranial AC Stimulation for Cortical Rhythm Entrainment — Current Biology (2010-12-07). Link. Transcranial alternating current stimulation entraining cortical oscillations; showed tACS frequency-specifically modulated cognitive performance opening new non-invasive BCI-enhancement modality.
  • Closed-Loop Cortical Gamma Enhancement — Journal of Neurophysiology (2010-12-01). Link. Closed-loop TMS enhancement of gamma oscillations; demonstrated that gamma-triggered TMS amplified gamma oscillations providing a neurostimulation BCI for cognitive enhancement.

EEG Methods and Analysis.

  • Grand Average BCI Performance Database — Journal of Neural Engineering (2010-12-01). Link. BCI performance database aggregating 1000+ sessions; identified subject factors predicting BCI performance and documented paradigm-specific normative ranges.
  • Common Spatio-Spectral Pattern for BCI — IEEE Transactions on Biomedical Engineering (2010-12-01). Link. Common spatio-spectral pattern method for frequency-selective motor imagery; simultaneously optimized spatial filter and frequency band for maximum class separability.
  • Parallel Processing Pipeline for Real-Time EEG — IEEE Transactions on Biomedical Engineering (2010-12-01). Link. GPU-accelerated EEG processing pipeline for BCI; achieved 10ms total latency for 64-channel EEG from acquisition to classification output.

Neurofeedback.

  • Neurofeedback for Cognitive Aging — Neurobiology of Aging (2010-12-01). Link. Alpha neurofeedback for cognitive aging; documented improvement in memory and processing speed after 10-session training in adults over 60.
  • SMR Neurofeedback for Autism — Applied Psychophysiology and Biofeedback (2010-12-01). Link. SMR neurofeedback training for autism social behavior; pilot study documenting improved social interaction scores after 20-session protocol.

Invasive Neural Interfaces.

  • Nanotube-Based Electrode Arrays — Advanced Materials (2010-12-01). Link. Carbon nanotube-based microelectrode array; demonstrated CNT electrode 100x improved charge injection over platinum, enabling safer neural stimulation.
  • Long-Term Chronic Intracortical Recording Biocompatibility — Biomaterials (2010-12-01). Link. 18-month chronic recording biocompatibility assessment; quantified GFAP and IBA1 immunoreactivity profiles correlating with recording quality loss.

Closed-Loop Systems.

  • End-of-Year BMI Review 2010 — Journal of Neural Engineering (2010-12-01). Link. Year-end BMI review 2010; highlighted adaptive decoding advances, primate prosthetic arm studies, and emerging approaches for 3D arm control.
  • Hybrid EEG-EMG BCI for Spinal Cord Injury — IEEE Transactions on Neural Systems and Rehabilitation Engineering (2010-12-01). Link. Hybrid EEG-EMG BCI for SCI patients with residual EMG; combined EEG intention and EMG activity for more reliable FES triggering in incomplete SCI.

Clinical and Regulatory

  • 2010 Year in Review: BCI Advances — Journal of Neural Engineering (2011-01-01). Link. Year-end BCI review covering 2010 advances; highlighted CLDA, BrainGate2 progress, ECoG speech advances, and expanding DBS/neurostimulation applications.
  • Full-Scale P300 BCI Home Deployment — Frontiers in Neuroscience (2010-12-01). Link. Home deployment of P300 BCI system for 10 ALS patients over 6 months; documented user experiences, technical issues, and reliability metrics.
  • DBS for Obsessive-Compulsive Disorder — Archives of General Psychiatry (2010-12-01). Link. DBS of anterior limb of internal capsule for treatment-resistant OCD; 60% response rate expanding DBS BCI into psychiatric indications beyond depression.
  • BCI Tutorial for Clinical Neurologists — Neurologist (2010-12-01). Link. Tutorial introduction to BCIs for clinical neurologists; covered P300, SSVEP, and motor imagery BCIs with emphasis on ALS and locked-in syndrome applications.
  • Hybrid EEG-EMG BCI for Spinal Cord Injury — IEEE Transactions on Neural Systems and Rehabilitation Engineering (2010-12-01). Link. Hybrid EEG-EMG BCI for SCI patients with residual EMG; combined EEG intention and EMG activity for more reliable FES triggering in incomplete SCI.
  • Low-Cost P300 BCI for Developing Countries — Journal of Neural Engineering (2010-12-01). Link. Low-cost P300 BCI design for resource-limited settings; demonstrated reliable P300 detection using $30 amplifier and 4-electrode system.

Companies and Funding

  • 2010 Year in Review: BCI Advances — Journal of Neural Engineering (2011-01-01). Link. Year-end BCI review covering 2010 advances; highlighted CLDA, BrainGate2 progress, ECoG speech advances, and expanding DBS/neurostimulation applications.
  • Nanotube-Based Electrode Arrays — Advanced Materials (2010-12-01). Link. Carbon nanotube-based microelectrode array; demonstrated CNT electrode 100x improved charge injection over platinum, enabling safer neural stimulation.
  • Open-Source EEG Hardware for BCI Research — Journal of Neural Engineering (2010-12-01). Link. Open-source EEG hardware design for BCI research; documented design achieving 24-bit ADC with <0.5µV noise floor using $250 in components.
  • Neurogaming: BCI Applications in Entertainment — Presence: Teleoperators and Virtual Environments (2010-12-01). Link. Review of BCI gaming applications; documented growing consumer neurotechnology market and performance benchmarks for entertainment BCI devices.
  • DBS for Obsessive-Compulsive Disorder — Archives of General Psychiatry (2010-12-01). Link. DBS of anterior limb of internal capsule for treatment-resistant OCD; 60% response rate expanding DBS BCI into psychiatric indications beyond depression.

Emerging Themes

The main themes this month were: Motor Imagery; Eeg; Rehabilitation Bci.

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