Figure 1. Visualization of the raw data for 16 amino acids in patients with no cognitive impairment or Figure 1. Visualization of the raw data for 16 amino acids in patients with no cognitive impairment with Mild Cognitive Impairment (MCI) (depicted as 0) and with mild or moderate dementia (depicted or with Mild Cognitive Impairment (MCI) (depicted as 0) and with mild or moderate dementia as 1). (depicted as 1). Table 2. The mean ( ± SD) for each metabolite signal