Multimodal Machine Learning Analysis of fNIRS Signals Using LSTM and KNN Models for Cognitive States and Brain Activation Patterns Prediction. - Adrian Luckiewicz; Dariusz Mikolajewski; Radoslaw Roszczyk; Krzysztof Siwek; Tomasz Kajdanowicz; Mariusz Pelc; Piotr Sterniuk; Edward Jacek Gorzelanczyk; Aleksandra Kawala-Sterniuk (ACIIDS (Companion 3), 2025)