References
- 1LouisED Essential tremor and the cerebellum. Handb Clin Neurol 2018;155:245–58. doi: 10.1016/B978-0-444-64189-2.00016-029891062
- 2LorenzD, SchwiegerD, MoisesH, DeuschlG Quality of life and personality in essential tremor patients. Mov Disord 2006;21(8):1114–18. doi: 10.1002/mds.2088416622851
- 3LacritzLH, DeweyR
Jr ., GillerC, CullumCM Cognitive functioning in individuals with “benign” essential tremor. J Int Neuropsychol Soc 2002;8(1):125–9. doi: 10.1017/S135561770102012411843070 - 4WoodsSP, ScottJC, FieldsJA, PoquetteA, TrosterAI Executive dysfunction and neuropsychiatric symptoms predict lower health status in essential tremor. Cogn Behav Neurol 2008;21(1):28–33. doi: 10.1097/WNN.0b013e318168441418327020
- 5LeeSM, KimM, LeeHM, KwonKY, KohSB Nonmotor symptoms in essential tremor: comparison with Parkinson’s disease and normal control. J Neurol Sci 2015;349(1–2):168–73. doi: 10.1016/j.jns.2015.01.01225641389
- 6SmeltereL, KuznecovsV, ErtsR Depression and social phobia in essential tremor and Parkinson’s disease. Brain Behav 2017;7(9):e00781. doi: 10.1002/brb3.78128948077
- 7ChandranV, PalPK, ReddyJY, ThennarasuK, YadavR, ShivashankarN Non-motor features in essential tremor. Acta Neurol Scand 2012;125(5):332–7. doi: 10.1111/j.1600-0404.2011.01573.x21777207
- 8JhunjhunwalaK, PalPK The Non-motor Features of Essential Tremor: a primary disease feature or just a secondary phenomenon? Tremor Other Hyperkinet Mov 2014;4:255.
- 9MusacchioT, PurrerV, PapagianniA, FleischerA, MackenrodtD, MalschC, et al. Non-motor symptoms of essential tremor are independent of tremor severity and have an impact on quality of life. Tremor Other Hyperkinet Mov 2016;6:361. doi: 10.1016/j.baga.2015.02.233
- 10BhatiaKP, BainP, BajajN, ElbleRJ, HallettM, LouisED, et al. Consensus statement on the classification of tremors. from the task force on tremor of the International Parkinson and Movement Disorder Society. Movement Disorders 2018;33(1):75–87. doi: 10.1002/mds.2712129193359
- 11ChaudhuriKR, Martinez-MartinP, BrownRG, SethiK, StocchiF, OdinP, et al. The metric properties of a novel non-motor symptoms scale for Parkinson’s disease: results from an international pilot study. Mov Disord 2007;22(13):1901–11. doi: 10.1002/mds.2159617674410
- 12RahmanTT, El GaafaryMM Montreal cognitive assessment Arabic version: reliability and validity prevalence of mild cognitive impairment among elderly attending geriatric clubs in Cairo. Geriatr Gerontol Int 2009;9(1):54–61. doi: 10.1111/j.1447-0594.2008.00509.x19260980
- 13BeckAT, WardCH, MendelsonM, MockJ, ErbaughJ An inventory for measuring depression. Arch Gen Psychiatry 1961;4:561–71. doi: 10.1001/archpsyc.1961.0171012003100413688369
- 14HamiltonM The assessment of anxiety states by rating. Br J Med Psychol 1959;32(1):50–5. doi: 10.1111/j.2044-8341.1959.tb00467.x13638508
- 15BuysseDJ, ReynoldsCF
3rd , MonkTH, BermanSR, KupferDJ The Pittsburgh sleep quality index: a new instrument for psychiatric practice and research. Psychiatry Res 1989;28(2):193–213. doi: 10.1016/0165-1781(89)90047-42748771 - 16CoonsSJ, AlabdulmohsinSA, DraugalisJR, HaysRD Reliability of an Arabic version of the RAND-36 Health Survey and its equivalence to the US-English version. Med Care 1998;36(3):428–32. doi: 10.1097/00005650-199803000-000189520966
- 17SengulY, SengulHS, YucekayaSK, YucelS, BakimB, PazarciNK, et al. Cognitive functions, fatigue, depression, anxiety, and sleep disturbances: assessment of nonmotor features in young patients with essential tremor. Acta Neurol Belg 2015;115(3):281–7. doi: 10.1007/s13760-014-0396-625471376
- 18GaspariniM, BonifatiV, FabrizioE, FabbriniG, BrusaL, LenziGL, et al. Frontal lobe dysfunction in essential tremor: a preliminary study. J Neurol 2001;248(5):399–402. doi: 10.1007/s00415017018111437162
- 19LombardiWJ, WoolstonDJ, RobertsJW, GrossRE Cognitive deficits in patients with essential tremor. Neurology 2001;57(5):785–90. doi: 10.1212/WNL.57.5.78511552004
- 20ThawaniSP, SchupfN, LouisED Essential tremor is associated with dementia: prospective population-based study in New York. Neurology 2009;73(8):621–5. doi: 10.1212/WNL.0b013e3181b389f119704081
- 21HocheF, GuellX, VangelMG, ShermanJC, SchmahmannJD The cerebellar cognitive affective/Schmahmann syndrome scale. Brain 2018;141(1):248–70. doi: 10.1093/brain/awx31729206893
- 22KuoSH, WangJ, TateWJ, PanMK, KellyGC, GutierrezJ, et al. Cerebellar pathology in early onset and late onset essential tremor. Cerebellum 2017;16(2):473–82. doi: 10.1007/s12311-016-0826-527726094
- 23LouisED, Benito-LeonJ, Vega-QuirogaS, Bermejo-ParejaF Cognitive and motor functional activity in non-demented community-dwelling essential tremor cases. J Neurol Neurosurg Psychiatry 2010;81(9):997–1001. doi: 10.1136/jnnp.2009.20283820547612
- 24DoguO, SevimS, CamdevirenH, SasmazT, BugdayciR, AralM, et al. Prevalence of essential tremor: door-to-door neurologic exams in Mersin Province, Turkey. Neurology 2003;61(12):1804–6. doi: 10.1212/01.WNL.0000099075.19951.8C14694055
- 25DoguO, LouisED, SevimS, KaleagasiH, AralM Clinical characteristics of essential tremor in Mersin, Turkey – a population-based door-to-door study. J Neurol 2005;252(5):570–4. doi: 10.1007/s00415-005-0700-815778813
- 26HueyED, CosentinoS, ChapmanS, AzarM, RohlB, CollinsK, et al. Self-report depressive symptoms are dissociated from tremor severity in essential tremor. Parkinsonism Relat Disord 2018;50:87–93. doi: 10.1016/j.parkreldis.2018.02.03129499915
- 27TanEK, Fook-ChongS, LumSY, GabrielC, KohKK, PrakashKM, et al. Non-motor manifestations in essential tremor: use of a validated instrument to evaluate a wide spectrum of symptoms. Parkinsonism Relat Disord 2005;11(6):375–80. doi: 10.1016/j.parkreldis.2005.04.00716102997
- 28Benito-LeonJ, LouisED, Bermejo-ParejaF Short sleep duration heralds essential tremor: a prospective, population-based study. Mov Disord 2013;28(12):1700–7. doi: 10.1002/mds.2559023847150
- 29GerbinM, VinerAS, LouisED Sleep in essential tremor: a comparison with normal controls and Parkinson's disease patients. Parkinsonism Relat Disord 2012;18(3):279–84. doi: 10.1016/j.parkreldis.2011.11.00422130149
- 30ShalashAS, HamidE, ElrassasHH, BedairAS, AbushoukAI, KhamisM, et al. Non-motor symptoms as predictors of quality of life in Egyptian patients with Parkinson’s disease: a cross-sectional study using a culturally adapted 39-item Parkinson's disease questionnaire. Front Neurol 2018;9:357. doi: 10.3389/fneur.2018.0035729881368
- 31WuY, WangX, WangC, SunQ, SongN, ZhouY, et al. Prevalence and clinical features of non-motor symptoms of essential tremor in Shanghai rural area. Parkinsonism Relat Disord 2016;22:15–20. doi: 10.1016/j.parkreldis.2015.10.61726777409
- 32KwonKY, LeeHM, LeeSM, KangSH, KohSB Comparison of motor and non-motor features between essential tremor and tremor dominant Parkinson's disease. J Neurol Sci 2016;361:34–8. doi: 10.1016/j.jns.2015.12.01626810513
- 33GiorelliM, BagnoliJ, ConsiglioL, LopaneM, ZimatoreGB, ZizzaD, et al. Do non-motor symptoms in Parkinson's disease differ from essential tremor before initial diagnosis? A clinical and scintigraphic study. Parkinsonism Relat Disord 2014;20(1):17–21. doi: 10.1016/j.parkreldis.2013.09.00424080307
- 34SengulY, SengulHS, SuralMK, BakimB, FortaH A comparison between rate of nonmotor symptom development in essential tremor and Parkinson’s disease. Acta Neurol Belg 2015;115(3):289–94. doi: 10.1007/s13760-014-0408-625527389
- 35LouisED, Benito-LeonJ, Bermejo-ParejaF Self-reported depression and anti-depressant medication use in essential tremor: cross-sectional and prospective analyses in a population-based study. Eur J Neurol 2007;14(10):1138–46. doi: 10.1111/j.1468-1331.2007.01923.x17708753
- 36BarbosaR, MendoncaM, LadeiraF, MiguelR, BugalhoP Probable REM-sleep behavior disorder and dysautonomic symptoms in essential tremor. Tremor Other Hyperkinet Mov 2017;7:522.