NSD_DATA_PATH : e.g. ".../for_atlas"
NSD_STIMULI_PATH: e.g. '.../nsd_stimuli.hdf5'
BACKPROP_TRAINING_PATH : where all backrpop runs are saved, e.g. '.../bottleneck_training_runs'
ENCODING_EVAL_PATH : where all encoding evaluation results will be saved, e.g. '.../deep_bottleneck_data/encoding_eval'
ENCODING_CACHE_PATH : where cached files should be saved to speed up evaluation, e.g. '.../deep_bottleneck_data/encoding_cache'