def get_events_path(subj, montage=0, exp='TH1'):
    """ Returns path/filename for a subjects matlab events.
        
        Args:
            subj (str): Subject ID code. Sample: R1195E.
            montage (int): The number of montage changes that the
                subj had undergone at the time of this session.
            exp (str): Expirement ID (TH1, TH3, THR)
        
        Returns:
            filename (str)
    """
    root_dir = f'/data3/events/RAM_{exp}'
    mont_str = f'_{montage}' if montage else ''
    return f'{root_dir}/{subj}{mont_str}_events.mat'