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269, 300], '(PD-A)': [18], 'compared': [19, 168, 197], 'to': [20, 42, 75, 169, 198, 308, 314, 320, 521, 528, 545], 'those': [21], 'without': [22, 142], '(PD-NA)': [24], 'and': [25, 47, 62, 69, 81, 99, 116, 141, 173, 175, 200, 212, 230, 251], 'healthy': [26, 118], 'controls': [27], '(HC).': [28], '<h3>Background:</h3>': [29], 'Anxiety': [30, 131], 'is': [31], 'a': [32, 256, 274, 292, 354, 372, 396, 415, 518], 'common': [33], 'non': [34], 'motor': [35, 80], 'symptom': [36], 'PD': [38, 95, 114, 120, 136], 'occurring': [39], 'up': [41], '60%': [43], 'affecting': [48], 'their': [49, 54, 102, 129, 146, 178], 'quality': [50], 'life.': [52], 'Despite': [53], 'high': [55, 149, 204], 'prevalence,': [56], 'symptoms': [58, 93], 'are': [59, 105], 'often': [60], 'undiagnosed': [61], 'untreated': [63], 'PD.': [65, 85, 302], 'date,': [67], 'structural': [70], 'neuroimaging': [71], 'studies': [72, 100], 'have': [73], 'contributed': [74], 'our': [76], 'understanding': [77], 'cognitive': [82], 'symptomatology': [83], 'Yet,': [86], 'underlying': [88], 'pathophysiology': [89], 'remains': [96], 'largely': [97], 'unknown': [98], 'on': [101, 128, 371, 395, 414], 'neural': [103], 'correlates': [104], 'missing.': [106], '<h3>Design/Methods:</h3>': [107], 'The': [108, 337, 420, 433, 444, 455, 469, 480, 491, 530], 'present': [109], 'study': [110], 'comprised': [111], '68': [112], 'non-demented': [113], '25': [117], 'controls.': [119], 'were': [122, 207, 226, 238], 'divided': [123], 'into': [124], 'two': [125], 'subgroups': [126], 'based': [127], 'Beck': [130], 'Inventory': [132], '(BAI)': [133], 'scale': [134, 244], '(cut-off=13):': [135], '(N=18)': [140], '(N=50).': [144], 'Using': [145], 'resting': [147], 'state': [148, 288], 'density': [150], 'electroencephalography': [151], '(EEG)': [152], 'recordings': [153], 'at': [154, 249], 'baseline,': [155], 'we': [156, 176], 'assessed': [157], 'frequency-dependent': [159, 187, 278], 'connectivity': [161, 190, 206, 225], 'patterns': [162, 202, 221], 'that': [163, 191, 267], 'characterize': [164, 193], 'PD-A': [166, 195], 'both': [170], 'PD-NA': [171, 199], 'HC': [174], 'validated': [177], 'relevance': [179], 'after': [180, 252], '3': [181, 253], 'years.': [182], '<h3>Results:</h3>': [183], 'We': [184], 'revealed': [185, 261], 'different': [186, 277], 'can': [192, 270], 'group': [196], 'HC:': [201], 'observed': [208], 'delta,': [210], 'theta': [211], 'gamma': [213], 'bands': [214], 'involving': [215], 'mainly': [216], 'fronto-temporal': [217], 'connections,': [218], 'whereas': [219], 'fronto-parietal': [220], 'low': [223], 'pertinent': [227], 'alpha': [229], 'beta': [231], 'bands.': [232], 'Their': [233], 'corresponding': [234], 'network': [235], 'signature': [236, 275], 'metric': [237], 'strongly': [239], 'correlated': [240], 'all': [246], 'participants': [248], 'baseline': [250], 'years': [254], 'showing': [255], 'predictive': [257], 'power': [258], 'networks.': [262, 286], '<h3>Conclusions:</h3>': [263], 'Our': [264], 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