tokens: By paired t-test , Bmax decreased significantly in the control group but not in the depressed group .
folded_tokens: by paired t-test , bmax decreased significantly in the control group but not in the depressed group .
labels: O B-other_name I-other_name O B-other_name O O O O B-multi_cell I-multi_cell O O O O B-multi_cell I-multi_cell O