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A preprint evaluates differentiable logic gate networks (Diff-Logic), compiled into pure boolean circuits, as a low-latency EEG classification option for resource-constrained BCIs. Across four EEG datasets and two task types — binary dementia screening and three-class emotion recognition — Diff-Logic reached 80.2% Macro F1 on dementia screening, 6.8 points above the multilayer perceptron baseline, and on power-constrained devices the MLP ran 2.3× slower and occupied 14× more memory, while Diff-Logic's inference time stayed nearly flat as model size grew 10×. The study has not been peer reviewed.

Researchers have built Ghost-LENet, a lightweight convolutional network that classifies motor imagery EEG at 82.18% on the BCI Competition IV-2a dataset and 83.05% on IV-2b using only a few thousand trainable parameters. The design combines dilated temporal convolutions, a stationary wavelet transform, dynamic residual fusion and Ghost modules, holding accuracy while cutting model complexity for BCI hardware with little compute to spare.

Researchers built an EEG-based brain-computer interface for smart-home control using a motor imagery dataset from 25 subjects collected with a 64-channel BCI2000 system. Features extracted from a CNN's convolutional layers trained SVM, CNN and LDA classifiers that remove the noise and overlap behind misclassifications and map selected features onto categories an Arduino UNO can act on; the three models reached overall accuracies of 99%, 96% and 99%. The authors say the scheme could let users control smart-home devices with brainwaves, potentially helping older adults and people with limited mobility.

Beijing Normal University researchers developed a low-cost structured-illumination miniscope weighing less than 3 g. The system uses a Ronchi grating and time-multiplexed excitation for HiLo imaging, providing optical sectioning in freely behaving mice. It suppresses out-of-focus background fluorescence while retaining the speed, field of view, and accessibility of widefield miniscopes, and it supports optically sectioned multiplane imaging to increase neuronal yield. In hippocampal recordings, the researchers observed better region-of-interest signal quality and spatial-information readout. They also demonstrated a proof-of-principle closed-loop brain-machine interface supported by rapid online signal extraction and real-time neural decoding. The work is a bioRxiv preprint and has not been peer reviewed.

A preprint reports that cross-subject cumulative learning and transfer learning can sharply cut the calibration burden of brain-computer interfaces based on movement-related cortical potentials (MRCP) in children with cerebral palsy. Testing a bidirectional long short-term memory network across 27 training sessions in four children, the authors found cross-subject cumulative learning reached 91% accuracy with no within-session calibration, rising to 93% when transfer learning was added — both better than conventional calibration strategies.

The first brain-computer interface hospital ward in China's Inner Mongolia autonomous region was unveiled in Hohhot, CCTV.com reported on July 17, 2026. At the unveiling ceremony, Hurile, head of the rehabilitation medicine department at Inner Mongolia Medical University, delivered a briefing introducing the ward's construction, technical strengths and development plans, framing the ward as a starting point for building a new clinical rehabilitation ecosystem in the autonomous region. The report did not disclose the ward's bed capacity, equipment, patient scope or opening date, nor the full name of the hospital housing the ward.

Aalto University researchers connected the classic N400 evoked response with semantic-vector decoding in a controlled MEG word-priming experiment. The study involved 25 native Finnish speakers who read word groups with different levels of semantic relatedness. Unrelated primes produced larger N400 responses and supplied the most useful training examples for a decoder mapping distributed MEG activity to semantic vectors. The researchers report that semantic information could be decoded from about 100 to 500 ms after stimulus onset. After the N400 peak, however, neural responses no longer mapped reliably to context-invariant semantic vectors. The result suggests that the end of the N400 window may mark a transition from word-specific representation toward broader contextual meaning. This bioRxiv preprint has not been peer reviewed.

A preprint introduces Dendrite, an open-source (GPL-3.0) Python application that bundles multimodal physiological signal acquisition, decoder training and real-time inference into a single modifiable application. It records multiple signal streams concurrently at their native sample rates, fits decoders either from a trained model or live during the pipeline, and tracks every recording, decoder and training run in a database so deployed decoders can be traced to their configuration and training source. The system was validated end-to-end on in-house and public BCI datasets, training and updating decoders in real time; the study has not been peer reviewed.

A bioRxiv preprint finds that adding a surprisal predictor on top of GPT-2 contextual embeddings contributes almost nothing extra to predicting high-gamma ECoG responses during speech comprehension.