“…The discovery cohort encompassed 260 contrast images, derived from 65 participants, each experiencing four conditions (Ex-Con, In-Con, Sep-Con, and Com-Con, i.e., 65×4). To eliminate general neural activation triggered by viewing video stimuli, such as sensory, visual, and emotion-related activations 77,78 , the four conditions were obtained by subtracting their respective control conditions, signifying exclusion, inclusion, separation, and company, respectively 79 . The following four pattern classifiers were developed: PSSE, PSSS, PSSEvS, and PSSEaS.…”