Processing Speed as an Endophenotypic Marker of Paranoid Schizophrenia

1. Faustman WO, Ficek SF. Symptom Clusters in Schizophrenia. In: Csernansky JG, editor. Schizophrenia. A New Guide for Clinicians. New York: Marcel Dekker; 2001. p. 29-52.Search in Google Scholar

2. Hoff A. Cognitive assessment in schizophrenia patients. In: Csernansky JG, editor. Schizophrenia. A New Guide for Clinicians. New York: Marcel Dekker; 2001. p. 69-88.Search in Google Scholar

3. Talreja BT, Shah S, Kataria L. Cognitive function in schizophrenia and its association with socio-demographic factors. Ind Psychiatry J. 2013;22(1):47-5310.4103/0972-6748.123619Search in Google Scholar

4. Lebedeva GG, Isaeva ER.[Profiles of cognitive deficits in paranoid schizophrenia and schizotypal disorder]. Clinical Psychology and Special Education 2017;6(1):79-94. [Russian].10.17759/cpse.2017060106Search in Google Scholar

5. Dickinson D. Digit symbol coding and general cognitive ability in schizophrenia: worth another look? Br. J. Psychiatry. 2008;193(5):354-6.Search in Google Scholar

6. Keefe RS, Fenton WS. How should DSM-V criteria for schizophrenia include cognitive impairment? Schizophr Bull. 2007;33(4):912-20.10.1093/schbul/sbm046Search in Google Scholar

7. Cuesta M, Moreno-Izco L, Ribeiro M, López- Ilundain J, Lecumberri P, Cabada T, et al. Motor abnormalities and cognitive impairment in first- episode psychosis patients, their unaffected siblings and healthy controls. Schizophr Res. 2018;200:50-5.10.1016/j.schres.2017.10.035Search in Google Scholar

8. Erlenmeyer-Kimling L. Neurobehavioral deficits in offspring of schizophrenic parents: liability indicators and predictors of illness. Am J Med Genet. 2000;97(1):65-71.10.1002/(SICI)1096-8628(200021)97:1<65::AID-AJMG9>3.0.CO;2-VSearch in Google Scholar

9. Martins I, Vieira R, Loureiro C, Santos M. Speech rate and fluency in children and adolescents. Child Neuropsychol. 2007;13(4): 319-32.10.1080/09297040600837370Search in Google Scholar

10. Green M. Cognitive impairment and functional outcome in schizophrenia and bipolar disorder. J Clin Psychiatry. 2006;67(9):3-8;36-4210.4088/JCP.1006e12Search in Google Scholar

11. Keefe RS., Harvey PD. Cognitive impairment in schizophrenia. Handb Exp Pharmacol. 2012;(213):11-37.10.1007/978-3-642-25758-2_2Search in Google Scholar

12. Kalkstein S, Hurford I., Gur R. C. Neurocognition in schizophrenia. Curr Top Behav Neurosci. 2010;(4):373-90.10.1007/7854_2010_42Search in Google Scholar

13. Lezak M, Howieson D, Loring D, Hannay H, Fischer J: Neuropsychological assessment. 4^thed. Oxford: Oxford University Press; 2004.Search in Google Scholar

14. Oldfield R. The assessment and analysis of handedness: The Edinburgh inventory. Neuropsychologia.1971;9(1):97-113.10.1016/0028-3932(71)90067-4Search in Google Scholar

15. Kay S, Fiszbein A, Opler L. Positive and negative syndrome scale (PANSS). MHS, 2012. [cited . . . ]. Available from: http://departement-information-medicale.com/wp-content/uploads/2010/09/echelle-PANSS-POSITIVE-AND-NEGATIVE-SYNDROME-SCALE.pdf10.1037/t05056-000Search in Google Scholar

16. Guy W. The Clinical Global Impression Scale. In: Guy W. ECDEU Assessment Manual for Psychopharmacology. Revised ed. Rockville, MD: US Dept. of Health, Education and Welfare, ADAMHA, MIMH Psychopharmacology Research Branch;1976. p. 218-2210.1037/e591322011-001Search in Google Scholar

17. Keefe RS, Silverman JM, Roitman SE, Harvey PD, Duncan MA, Alroy D, et al. Performance of nonpsychotic relatives of schizophrenic patients on cognitive tests. Psychiatry Res. 1994;53:1-12.10.1016/0165-1781(94)90091-4Search in Google Scholar

18. Bhatia T, Garg K, Pogue-Geile M, Nimgaonkar VL, Deshpande SN. Executive functions and cognitive deficits in schizophrenia: Comparisons between probands, parents and controls in India. J Postgrad Med. 2009;55:3-7.10.4103/0022-3859.43546550221319242070Search in Google Scholar

19. Klemm S, Schmidt B, Knappe S, Blanz B. Impaired working speed and frontal lobe dysfunctions in young first-degree relatives of schizophrenic patients. Eur Child Adolesc Psychiatry. 2006;15(7):400-8.10.1007/s00787-006-0547-2170553716721500Search in Google Scholar

20. Ashendorf L, Jefferson A, O’Connor MK, Chaisson Ch, Green R, Stern RA. Trail Making Test errors in healthy ageing, mild cognitive impairment, and dementia. Arch Clin Neuropsychol. 2008;23(2):29-37.Search in Google Scholar

21. Giovagnoli AR, Del Pesce M, Mascheroni S, Simoncelli M, Laiacona M, Capitani E. Trail making test: Normative values from 287 normal adult controls. Ital J Neurol Sci 1996;17:305-9.10.1007/BF019977928915764Search in Google Scholar

22. Kaneko K. Negative Symptoms and Cognitive Impairments in Schizophrenia: Two Key Symptoms Negatively Influencing Social Functioning; Yonago Acta Med. 2018;61(2):91-100.Search in Google Scholar

23. Rosso M, Murray R., Reichenberg A. Cognitive impairment in schizophrenia and symptom dimensions in psychosis. In: Harvey P, ed. Cognitive impairment in schizophrenia : characteristics, assessment, and treatment. Cambridge :Cambridge University Press; 2013. p. 9-78.10.1017/CBO9781139003872.005Search in Google Scholar

24. Mahurin RK, Velligan DI, Hazleton B, Davis JM, Eckert S, Miller AL. Trail Making Test errors and executive function in schizophrenia and depression. Clin Neuropsychol. 2006;20(2): 71-88.10.1080/1385404059094749816690547Search in Google Scholar

25. Kopp B, Rösser N, Tabeling S, Sturenburg HJ, Haan de B, Karnath H-O, et al. Errors on the trail making test are associated with right hemispheric frontal lobe damage in stroke patients. Behav Neurol. 2015;2015: Article ID 309235. [cited .]. Available from: https://www.hindawi.com/journals/bn/2015/309235/abs/10.1155/2015/309235444453026074673Search in Google Scholar

26. Stuss, DT, Levine B. Adult clinical neuropsychology: lessons from studies of the frontal lobes. Annu Rev Psychol. 2002;53(1):401-33.10.1146/annurev.psych.53.100901.13522011752491Search in Google Scholar

27. Fujiki R, Morita K, Sato M, Kamada Y. Reduced prefrontal cortex activation using the Trail Making Test in schizophrenia. Neuropsychiatr Dis Treat. 2013;9:675-85.10.2147/NDT.S43137365853223696704Search in Google Scholar

28. Walter H, Wunderlich AP, Blankenhorn M, Schäfer S, Tomczak R, Spitzer M, et al. No hypofrontality, but the absence of prefrontal lateralization comparing verbal and spatial working memory in schizophrenia. Schizophr Res. 2003;61(2-3):175-84.10.1016/S0920-9964(02)00225-6Search in Google Scholar

29. Carter CS, Perlstein W, Ganguli R, Brar J, Mintun M, Cohen JD. Functional hypofrontality and working memory dysfunction in schizophrenia. Am J Psychiatry. 1998;155(9):1285-1287.10.1176/ajp.155.9.1285Search in Google Scholar

30. Manoach DS. Prefrontal cortex dysfunction during working memory performance in schizophrenia: reconciling discrepant findings. Schizophr Res. 2003;60(2-3):285-98.10.1016/S0920-9964(02)00294-3Search in Google Scholar

31. Horacek J, Dockery C, Kopecek M, Spaniel F, Novak T, Tislerova B, et al. Regional brain metabolism as the predictor of performance on the Trail Making Test in schizophrenia. An 18 FDG PET covariation study. Neuro Endocrinol Lett. 2006;27(5):587-94.Search in Google Scholar

32. Müller LD, Guhn A, Zeller JB, Biehl SC, Dresler T, Hahn T. Neural correlates of a standardized versionofthetrailmakingtestinyoungandelderly adults: a functional near-infrared spectroscopy study. Neuropsychologia.2014;56:271-9.10.1016/j.neuropsychologia.2014.01.019Search in Google Scholar

33. Laurent A, Biloa-Tang M, Bougerol T, Duly D, Anchisi AM, Bosson JL, et al. Executive/attentional performance and measures of schizotypy in patients with schizophrenia and in their nonpsychotic first-degree relatives. Schizophr Res. 2000;46(2-3):269-83.10.1016/S0920-9964(99)00232-7Search in Google Scholar

34. Wolwer W, Gabel W. Impaired Trail- Making Test-B performance in patients with acute schizophrenia is related to inefficient sequencing of planning and acting. J Psychiatr Res. 2002;36(6):407.10.1016/S0022-3956(02)00050-XSearch in Google Scholar

35. Dollfus S, Lombardo C, B nali K, Halbecq I, Abadie P, Mari RM, et al. Executive/attentional cognitive functions in schizophrenic patients and their parents: Apreliminary study. Schizophr Res. 2002;53:93-9.10.1016/S0920-9964(01)00156-6Search in Google Scholar

36. Gur RE, Nimgaonkar VL, Almasy L, Calkins ME, Ragland JD, Pogue-Geile MF, et al. Neurocognitive endophenotypes in a multiplex multigenerational family study of schizophrenia. Am J Psychiatry 2007;164:813-9.10.1176/ajp.2007.164.5.813Search in Google Scholar

37. Keefe RS, Silverman JM, Mohs RC, Siever LJ, Harvey PD, Friedman L, et al. Eye tracking, attention, and schizotypal symptoms in nonpsychotic relatives of patients with schizophrenia. Arch Gen Psychiatry 1997;54:169-76.10.1001/archpsyc.1997.01830140081014Search in Google Scholar

38. Egan MF, Goldberg TE, Gscheidle T, Weirich M, Rawlings R, Hyde TM Relative risk for cognitive impairments in siblings of 11patients with schizophrenia. Biol Psychiatry 2000;50:98-100.Search in Google Scholar

39. Zalla T, Joyce C, Szöke A, Schürhoff F, Pillon B, Komano O et al. Dysfunctions as potential markers of familial vulnerability to bipolar disorder and schizophrenia. Psychiatry Res. 2004;121(3):207-17.10.1016/S0165-1781(03)00252-XSearch in Google Scholar

40. Rybakowski JK, Borkowska A. Eye movement and neuropsychological studies in first-degree relatives of schizophrenic patients. Schizophr Res. 2002;54:105-10.10.1016/S0920-9964(01)00357-7Search in Google Scholar

41. Drane DL, Yuspeh, RL, Huthwaite JS, Klingler LK. Demographic characteristics and normative observations for derived-trail making test indices. Neuropsychiatry Neuropsychol Behav Neurol. 2002;15:39-43.Search in Google Scholar

42. Tombaugh TN. Trail Making Test A and B: Normative data stratified by age and education. Arch Clin Neuropsychol. 2004;19:203-14.10.1016/S0887-6177(03)00039-8Search in Google Scholar

43. Hashimoto R, Meguro K, Lee E, Kasai M, Ishii, H, Yamaguchi S Effect of age and education on the Trail Making Test and determination of normative data for Japanese elderly people: The Tajiri Project. Psychiatry Clin Neurosci. 2006;60:422-8.10.1111/j.1440-1819.2006.01526.x16884442Search in Google Scholar

44. Hester RL, Kinsella GJ, Ong B, McGregor J. Demographic influences on the baseline and derived scores from the trail making test in healthy older Australian adults. Clin Neuropsychol. 2005;19:45-54.10.1080/1385404049052413715814477Search in Google Scholar

45. Perianez -JA, Rıos-Lago M, Rodrıguez- Sanchez JM, Adrover-Roig D, Sanchez- Cubillo I, Crespo-Facorro BE Trail Making Test in traumatic brain injury, schizophrenia, and normal ageing: Sample comparisons and normative data. Arch Clin Neuropsychol. 2007;22(4):433-47.10.1016/j.acn.2007.01.02217336493Search in Google Scholar

46. Bilder RM, Goldman RS, Robinson D, Reiter G, Bell L, Bates J et al. Neuropsychology of first- episode schizophrenia: initial characterization and clinical correlates. Am. J. Psychiatry. 2000;157(4):549-59.Search in Google Scholar