Infant EEG Risk Prediction for Early Neural Speech Encoding Disorders

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Solution Overview

Problem

Existing methods for predicting neural speech encoding disorders in infants are imprecise and unreliable, relying on statistical calculations that do not account for the neurodevelopmental nuances of early language acquisition.

Innovation Solution

A computer-implemented method using EEG signals from infants aged 0 to 6 months, combined with a machine learning algorithm trained on signal features and supervised data from the Bayley test, to predict the risk of neural speech encoding disorders by analyzing brain responses to auditory stimuli.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If statistical calculations are used to predict neural speech encoding disorders, then the prediction can be performed, but the precision and reliability of the prediction deteriorates

Engineering Contradiction:
Improveprediction precisionVSAvoidmethod complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces traditional statistical calculation methods with machine learning algorithms that automatically analyze EEG signal features. This substitution transforms the prediction system from manual statistical analysis to an automated computational model, significantly improving prediction precision while managing complexity through algorithmic automation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the parameters used for prediction from simple statistical metrics to comprehensive EEG signal features including frequency spectrum, time-frequency representation, and neural oscillation patterns. By expanding and transforming the parameter set, the system achieves higher prediction accuracy in identifying neural speech encoding disorders.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If EEG signals are analyzed using machine learning algorithms, then the prediction precision improves, but the complexity of the system increases

Engineering Contradiction:
Improveprediction reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the complex prediction task into distinct processing stages: EEG signal acquisition, feature extraction (frequency spectrum, time-frequency analysis), machine learning model processing, and risk prediction output. This segmentation makes the complex system more manageable and interpretable while maintaining high reliability through specialized processing at each stage.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces intermediate feature extraction steps that transform raw EEG signals into meaningful representations before feeding them to the machine learning algorithm. These intermediaries (signal preprocessing, feature engineering) act as mediators that bridge the gap between complex biological signals and the prediction model, improving reliability while structuring the system complexity in a hierarchical manner.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of time

If early EEG signals from infants aged 0 to 6 months are used for prediction, then early detection is enabled, but the difficulty of detecting and measuring increases due to signal variability

Engineering Contradiction:
Improvedetection timingVSAvoidsignal measurement difficulty
Core Design Contradiction:
Loss of timeVSDifficulty of detecting and measuring

Solution Approach 1:

The patent performs preliminary analysis of EEG signal characteristics specific to infants aged 0-6 months before applying the prediction model. By pre-processing and adapting the analysis methodology to account for developmental variability in this age group, the system enables early detection while mitigating measurement difficulties through age-appropriate signal processing protocols.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent adjusts measurement parameters and feature extraction methods to accommodate the unique characteristics of infant EEG signals, including higher signal variability and developmental changes. By dynamically adapting parameters based on infant age and signal characteristics, the system achieves reliable early detection despite the inherent measurement challenges.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables early detection and quantification of neural speech encoding disorders, facilitating timely interventions by correlating early EEG signal features with language development milestones, thereby improving neurodevelopmental outcomes.

Implementation Method 1

obtaining an electroencephalography, EEG, signal of an infant aged 0 to 6 months old in response to an auditory stimulus

Methodology Applied
Scientific EffectElectroencephalography (EEG):

Data Source

PatentEP4702925A1A computer implemented method and system for predicting a risk that an infant presents a neural speech encoding disorder
Publication Date: 2026.03.04 UNIV DE BARCELONA
  • EP4702925A1 patent drawingFigure 1
  • EP4702925A1 patent drawingFigure 2
  • EP4702925A1 patent drawingFigure 3

AI summary

A system and computer implemented method of predicting a risk that an infant presents a neural speech encoding disorder is disclosed, the method comprising obtaining an electroencephalography signal of an infant in response to an auditory stimulus, obtaining a set of signal features from the obtained EEG signal, and predicting a risk that an infant presents a neural speech encoding disorder using a machine learning algorithm.