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Volumn 18, Issue 1-2, 2013, Pages 9-25

Neurocognitive performance of a community-based sample of young people at putative ultra high risk for psychosis: Support for the processing speed hypothesis

Author keywords

At risk mental state; MATRICS; Neurocognition; Prodromal syndrome; Ultra high risk

Indexed keywords

ADOLESCENT; ARTICLE; ATTENTION; COGNITION; CONTROLLED STUDY; FEMALE; HUMAN; LEARNING; MALE; PRIORITY JOURNAL; PROBLEM SOLVING; PSYCHOSIS; SOCIAL COGNITION; STRUCTURED INTERVIEW; WORKING MEMORY;

EID: 84876187883     PISSN: 13546805     EISSN: 14640619     Source Type: Journal    
DOI: 10.1080/13546805.2012.682363     Document Type: Article
Times cited : (65)

References (55)
  • 3
    • 80053391869 scopus 로고    scopus 로고
    • Course of auditory vocal hallucinations in childhood: 5-year follow-up study
    • Advance online publication. doi: 10.1192/bjp.bp.110.086918
    • Bartels-Velthuis, A. A., van de Willige, G., Jenner, J. A., van Os, J., & Wiersma, D. (2011). Course of auditory vocal hallucinations in childhood: 5-year follow-up study. British Joournal of Psychiatry. Advance online publication. doi: 10.1192/bjp.bp.110.086918
    • (2011) British Joournal of Psychiatry.
    • Bartels-Velthuis, A.A.1    Van De Willige, G.2    Jenner, J.A.3    Van Os, J.4    Wiersma, D.5
  • 4
    • 0141567782 scopus 로고    scopus 로고
    • Letter and category fluency in schizophrenic patients: A meta-analysis
    • DOI 10.1016/S0920-9964(02)00282-7
    • Bokat, C. E., & Goldberg, T. E. (2003). Letter and category fluency in schizophrenic patients: A meta-analysis. Schizophrenia Research, 64, 73-78. (Pubitemid 37153351)
    • (2003) Schizophrenia Research , vol.64 , Issue.1 , pp. 73-78
    • Bokat, C.E.1    Goldberg, T.E.2
  • 5
    • 38949097519 scopus 로고    scopus 로고
    • Predicting schizophrenia patients' real-world behavior with specific neuropsychological and functional capacity measures
    • DOI 10.1016/j.biopsych.2007.05.022, PII S0006322307005069
    • Bowie, C. R., Leung, W. W., Reichenberg, A., McClure, M. M., Patterson, T. L., Heaton, R. K., & Harvey, R. K. (2008). Predicting schizophrenia patients' real-world behavior with specific neuropsychological and functional capacity measures. Biological Psychiatry, 63, 505-511. (Pubitemid 351220787)
    • (2008) Biological Psychiatry , vol.63 , Issue.5 , pp. 505-511
    • Bowie, C.R.1    Leung, W.W.2    Reichenberg, A.3    McClure, M.M.4    Patterson, T.L.5    Heaton, R.K.6    Harvey, P.D.7
  • 6
    • 33745628730 scopus 로고    scopus 로고
    • Generalized and specific cognitive performance in clinical high-risk cohorts: A review highlighting potential vulnerability markers for psychosis
    • DOI 10.1093/schbul/sbj077
    • Brewer,W. J.,Wood, S. J., Phillips, L. J., Francey, S.M., Pantelis, C., Yung, A. R., ⋯ McGorry, P. D. (2006). Generalized and specific cognitive performance in clinical high-risk cohorts: A review highlighting potential vulnerability markers for psychosis. Schizophrenia Bulletin, 32, 538-555. (Pubitemid 43992327)
    • (2006) Schizophrenia Bulletin , vol.32 , Issue.3 , pp. 538-555
    • Brewer, W.J.1    Wood, S.J.2    Phillips, L.J.3    Francey, S.M.4    Pantelis, C.5    Yung, A.R.6    Cornblatt, B.7    McGorry, P.D.8
  • 7
    • 0031578812 scopus 로고    scopus 로고
    • The dysplastic net hypothesis: An integration of developmental and dysconnectivity theories of schizophrenia
    • DOI 10.1016/S0920-9964(97)00114-X, PII S092099649700114X
    • Bullmore, E., Frangou, S., & Murray, R. (1997). The dysplastic net hypothesis: An integration of developmental and dysconnectivity theories of schizophrenia. Schizophrenia Research, 28, 143-156. (Pubitemid 28055662)
    • (1997) Schizophrenia Research , vol.28 , Issue.2-3 , pp. 143-156
    • Bullmore, E.T.1    Frangou, S.2    Murray, R.M.3
  • 8
    • 33750585480 scopus 로고    scopus 로고
    • Neuropsychological performance at the age of 13 years and adult schizophreniform disorder: Prospective birth cohort study
    • DOI 10.1192/bjp.bp.105.020552
    • Cannon, M., Moffitt, T. E., Caspi, A., Murray, R. M., Harrington, H., & Poulton, R. (2006). Neuropsychological performance at the age of 13 years and adult schizophreniform disorder: Prospective birth cohort study. British Journal of Psychiatry, 189, 463-464. (Pubitemid 44683182)
    • (2006) British Journal of Psychiatry , vol.189 , Issue.NOV. , pp. 463-464
    • Cannon, M.1    Moffitt, T.E.2    Caspi, A.3    Murray, R.M.4    Harrington, H.5    Poulton, R.6
  • 12
    • 77955056538 scopus 로고    scopus 로고
    • Neurocognitive performance in children aged 9-12 years who present putative antecedents of schizophrenia
    • Cullen, A. E., Dickson, H.,West, S. A.,Morris, R.G., Mould, G. L., Hodgins, S., ⋯ Laurens,K. R. (2010). Neurocognitive performance in children aged 9-12 years who present putative antecedents of schizophrenia. Schizophrenia Research, 121, 15-23.
    • (2010) Schizophrenia Research , vol.121 , pp. 15-23
    • Cullen, A.E.1    Dickson, H.2    West, S.A.3    Mould, G.L.4    Hodgins, S.5    Laurens, K.R.6
  • 13
    • 55949102655 scopus 로고    scopus 로고
    • Digit symbol coding and general cognitive ability in schizophrenia: Worth another look?
    • Dickinson, D. (2008). Digit symbol coding and general cognitive ability in schizophrenia: Worth another look? British Journal of Psychiatry, 193, 354-356.
    • (2008) British Journal of Psychiatry , vol.193 , pp. 354-356
    • Dickinson, D.1
  • 14
    • 34248174285 scopus 로고    scopus 로고
    • Overlooking the obvious: A meta-analytic comparison of digit symbol coding tasks and other cognitive measures in schizophrenia
    • DOI 10.1001/archpsyc.64.5.532
    • Dickinson, D., Ramsey, M. E., & Gold, J. M. (2007). Overlooking the obvious: A meta-analytic comparison of digit symbol coding tasks and other cognitive measures in schizophrenia. Archives of General Psychiatry, 64, 532-542. (Pubitemid 46718286)
    • (2007) Archives of General Psychiatry , vol.64 , Issue.5 , pp. 532-542
    • Dickinson, D.1    Ramsey, M.E.2    Gold, J.M.3
  • 15
    • 0029198619 scopus 로고
    • Schizophrenia: A disconnection syndrome?
    • Friston, K., & Frith, C. (1995). Schizophrenia: A disconnection syndrome? Clinical Neuroscience, 3, 89-97.
    • (1995) Clinical Neuroscience , vol.3 , pp. 89-97
    • Friston, K.1    Frith, C.2
  • 16
    • 79959705359 scopus 로고    scopus 로고
    • Neuropsychological profiles in different at-risk states of psychosis: Executive control impairment in the early*and additional memory dysfunction in the late *prodromal state
    • Frommann, I., Pukrop, R., Brinkmeyer, J., Bechdolf, A., Ruhrmann, S., Berning, J., ⋯Wagner,M. (2011). Neuropsychological profiles in different at-risk states of psychosis: Executive control impairment in the early*and additional memory dysfunction in the late *prodromal state. Schizophrenia Bulletin, 37, 861-873.
    • (2011) Schizophrenia Bulletin , vol.37 , pp. 861-873
    • Frommann, I.1    Pukrop, R.2    Brinkmeyer, J.3    Bechdolf, A.4    Ruhrmann, S.5    Berning, J.6    Wagner, M.7
  • 17
    • 0034536356 scopus 로고    scopus 로고
    • Using the Strengths and Difficulties Questionnaire (SDQ) to screen for child psychiatric disorders in a community sample
    • DOI 10.1192/bjp.177.6.534
    • Goodman, R., Ford, T., Simmons, H., Gatward, R., & Meltzer, H. (2000). Using the Strengths and Difficulties Questionnaire (SDQ) to screen for child psychiatric disorders in a community sample. British Journal of Psychiatry, 177, 534-539. (Pubitemid 32005485)
    • (2000) British Journal of Psychiatry , vol.177 , Issue.DEC. , pp. 534-539
    • Goodman, R.1    Ford, T.2    Simmons, H.3    Gatward, R.4    Meltzer, H.5
  • 20
    • 15044353043 scopus 로고    scopus 로고
    • A meta-analytic review of verbal fluency deficits in schizophrenia relative to other neurocognitive deficits
    • DOI 10.1080/13546800344000309
    • Henry, J. D., & Crawford, J. R. (2005). A meta-analytic review of verbal fluency deficits in schizophrenia relative to other neurocognitive deficits. Cognitive Neuropsychiatry, 10, 1-33. (Pubitemid 40460674)
    • (2005) Cognitive Neuropsychiatry , vol.10 , Issue.1 , pp. 1-33
    • Henry, J.D.1    Crawford, J.R.2
  • 21
    • 77958163594 scopus 로고    scopus 로고
    • Neuropsychological profile in early-onset schizophrenia-spectrum disorders: Measured with the MATRICS battery
    • Holmen, A., Juuhl-Langseth, M., Thormodsen, R., Melle, I., & Rund, B. R. (2010). Neuropsychological profile in early-onset schizophrenia-spectrum disorders: Measured with the MATRICS battery. Schizophrenia Bulletin, 36, 852-859.
    • (2010) Schizophrenia Bulletin , vol.36 , pp. 852-859
    • Holmen, A.1    Juuhl-Langseth, M.2    Thormodsen, R.3    Melle, I.4    Rund, B.R.5
  • 22
    • 0035222258 scopus 로고    scopus 로고
    • Moderator variables of executive functioning in schizophrenia: Meta-analytic findings
    • Johnson-Selfridge, M., & Zalewski, C. (2001). Moderator variables of executive functioning in schizophrenia: Meta-analytic findings. Schizophrenia Bulletin, 27, 305-316. (Pubitemid 33644305)
    • (2001) Schizophrenia Bulletin , vol.27 , Issue.2 , pp. 305-316
    • Johnson-Selfridge, M.1    Zalewski, C.2
  • 24
    • 33750631049 scopus 로고    scopus 로고
    • A longitudinal study of neurocognitive function in individuals at-risk for psychosis
    • DOI 10.1016/j.schres.2006.06.041, PII S0920996406003094
    • Keefe, R. S., Perkins, D. O., Gu, H., Zipursky, R. B., Christensen, B. K., & Lieberman, J. A. (2006). A longitudinal study of neurocognitive function in individuals at-risk for psychosis. Schizophrenia Research, 88, 26-35. (Pubitemid 44693238)
    • (2006) Schizophrenia Research , vol.88 , Issue.1-3 , pp. 26-35
    • Keefe, R.S.E.1    Perkins, D.O.2    Gu, H.3    Zipursky, R.B.4    Christensen, B.K.5    Lieberman, J.A.6
  • 25
    • 78650367107 scopus 로고    scopus 로고
    • Psychotic-like experiences in the general population: Characterizing a high-risk group for psychosis
    • Kelleher, I., & Cannon, M. (2011). Psychotic-like experiences in the general population: Characterizing a high-risk group for psychosis. Psychological Medicine, 41, 1-6.
    • (2011) Psychological Medicine , vol.41 , pp. 1-6
    • Kelleher, I.1    Cannon, M.2
  • 26
    • 84863592736 scopus 로고    scopus 로고
    • Prevalence of psychotic symptoms in childhood and adolescence: A systematic review and meta-analysis of population-based studies
    • Advance online publication. doi: 10.1017/ S0033291711002960
    • Kelleher, I., Connor, D., Clarke, M. C., Devlin, N., Harley, M., & Cannon, M. (2012). Prevalence of psychotic symptoms in childhood and adolescence: A systematic review and meta-analysis of population-based studies. Psychological Medicine. Advance online publication. doi: 10.1017/ S0033291711002960
    • (2012) Psychological Medicine.
    • Kelleher, I.1    Connor, D.2    Clarke, M.C.3    Devlin, N.4    Harley, M.5    Cannon, M.6
  • 27
    • 79952179429 scopus 로고    scopus 로고
    • Are screening instruments valid for psychotic-like experiences? A validation study of screening questions for psychotic-like experiences using in-depth clinical interview
    • Kelleher, I., Harley, M., Murtagh, A., & Cannon, M. (2011). Are screening instruments valid for psychotic-like experiences? A validation study of screening questions for psychotic-like experiences using in-depth clinical interview. Schizophrenia Bulletin, 37, 362-369.
    • (2011) Schizophrenia Bulletin , vol.37 , pp. 362-369
    • Kelleher, I.1    Harley, M.2    Murtagh, A.3    Cannon, M.4
  • 28
    • 84863567314 scopus 로고    scopus 로고
    • Clinicopathological significance of psychotic experiences in non-psychotic young people: Evidence from 4 population studies
    • Advance online publication. doi:10.1192/bjp.bp.111.101543
    • Kelleher, I., Keeley, H., Corcoran, P., Lynch, F., Fitzpatrick, C., Devlin, N., ⋯ Cannon, M. (2012). Clinicopathological significance of psychotic experiences in non-psychotic young people: Evidence from 4 population studies. British Journal of Psychiatry. Advance online publication. doi:10.1192/bjp.bp.111.101543
    • (2012) British Journal of Psychiatry.
    • Kelleher, I.1    Keeley, H.2    Corcoran, P.3    Lynch, F.4    Fitzpatrick, C.5    Devlin, N.6    Cannon, M.7
  • 29
    • 84876181426 scopus 로고    scopus 로고
    • Psychotic symptoms in adolescence index risk for suicidal behaviour: Findings from two populationbased case-control clinical interview studies
    • in press
    • Kelleher, I., Lynch, F., Harley,M., Molloy, C., Roddy, S., Fitzpatrick, C., et al. (in press). Psychotic symptoms in adolescence index risk for suicidal behaviour: Findings from two populationbased case-control clinical interview studies. Archives of General Psychiatry.
    • Archives of General Psychiatry
    • Kelleher, I.1    Lynch, F.2    Harley, M.3    Molloy, C.4    Roddy, S.5    Fitzpatrick, C.6
  • 30
    • 84857544165 scopus 로고    scopus 로고
    • Identification and characterization of prodromal risk syndromes in young adolescents in the community: A population-based clinical interview study
    • Kelleher, I., Murtagh, A., Molloy, C., Roddy, S., Clarke, M. C., Harley, M., & Cannon, M. (2012). Identification and characterization of prodromal risk syndromes in young adolescents in the community: A population-based clinical interview study. Schizophrenia Bulletin, 38, 239-246.
    • (2012) Schizophrenia Bulletin , vol.38 , pp. 239-246
    • Kelleher, I.1    Murtagh, A.2    Molloy, C.3    Roddy, S.4    Clarke, M.C.5    Harley, M.6    Cannon, M.7
  • 33
    • 77954229336 scopus 로고    scopus 로고
    • Processing speed deficits in schizophrenia: Reexamining the evidence
    • Knowles, E. E., David, A. S., & Reichenberg, A. (2010). Processing speed deficits in schizophrenia: Reexamining the evidence. American Journal of Psychiatry, 167, 828-835.
    • (2010) American Journal of Psychiatry , vol.167 , pp. 828-835
    • Knowles, E.E.1    David, A.S.2    Reichenberg, A.3
  • 34
    • 0002109584 scopus 로고    scopus 로고
    • A meta-analytic review of wisconsin card sort studies in schizophrenia: General intellectual deficit in disguise?
    • discussion 31-35
    • Laws, K. R. (1999). A meta-analytic review of Wisconsin Card Sort studies in schizophrenia: General intellectual deficit in disguise? Cognitive Neuropsychiatry, 4, 1-30; discussion 31-35.
    • (1999) Cognitive Neuropsychiatry , vol.4 , pp. 1-30
    • Laws, K.R.1
  • 35
    • 28544436939 scopus 로고    scopus 로고
    • Working memory impairments in schizophrenia: A meta-analysis
    • DOI 10.1037/0021-843X.114.4.599
    • Lee, J., & Park, S. (2005). Working memory impairments in schizophrenia: A meta-analysis. Journal of Abnormal Psychology, 114, 599-611. (Pubitemid 41746997)
    • (2005) Journal of Abnormal Psychology , vol.114 , Issue.4 , pp. 599-611
    • Lee, J.1    Park, S.2
  • 36
    • 33746099700 scopus 로고    scopus 로고
    • Challenging times: Prevalence of psychiatric disorders and suicidal behaviours in Irish adolescents
    • DOI 10.1016/j.adolescence.2005.08.011, PII S0140197105001004
    • Lynch, F., Mills, C., Daly, I., & Fitzpatrick, C. (2006). Challenging times: Prevalence of psychiatric disorders and suicidal behaviours in Irish adolescents. Journal of Adolescence, 29, 555-573. (Pubitemid 44070564)
    • (2006) Journal of Adolescence , vol.29 , Issue.4 , pp. 555-573
    • Lynch, F.1    Mills, C.2    Daly, I.3    Fitzpatrick, C.4
  • 37
    • 0035697297 scopus 로고    scopus 로고
    • Pre-onset detection and intervention research in schizophrenia psychoses: Current estimates of benefit and risk
    • McGlashan, T. H., Miller, T. J., & Woods, S. W. (2001). Pre-onset detection and intervention research in schizophrenia psychoses: Current estimates of benefit and risk. Schizophrenia Bulletin, 27, 563-570. (Pubitemid 34093243)
    • (2001) Schizophrenia Bulletin , vol.27 , Issue.4 , pp. 563-570
    • McGlashan, T.H.1    Miller, T.J.2    Woods, S.W.3
  • 38
    • 74049126628 scopus 로고    scopus 로고
    • Prevalence and treatment of mental disorders among US children in the 2001-2004 NHANES
    • Merikangas, K. R., He, J. P., Brody, D., Fisher, P. W., Bourdon, K., & Koretz, D. S. (2010). Prevalence and treatment of mental disorders among US children in the 2001-2004 NHANES. Pediatrics, 125, 75-81.
    • (2010) Pediatrics , vol.125 , pp. 75-81
    • Merikangas, K.R.1    He, J.P.2    Brody, D.3    Fisher, P.W.4    Bourdon, K.5    Koretz, D.S.6
  • 40
    • 0842321883 scopus 로고    scopus 로고
    • Prodromal assessment with the structured interview for prodromal syndromes and the scale of prodromal symptoms: predictive validity, interrater reliability, and training to reliability
    • Miller, T. J., McGlashan, T. H., Rosen, J. L., Cadenhead, K., Cannon, T., Ventura, J., ⋯Wood, S.W. (2003). Prodromal assessment with the structured interview for prodromal syndromes and the scale of prodromal symptoms: Predictive validity, interrater reliability, and training to reliability. Schizophrenia Bulletin, 29, 703-715. (Pubitemid 38181951)
    • (2003) Schizophrenia Bulletin , vol.29 , Issue.4 , pp. 703-715
    • Miller, T.J.1    McGlashan, T.H.2    Rosen, J.L.3    Cadenhead, K.4    Ventura, J.5    McFarlane, W.6    Perkins, D.O.7    Pearlson, G.D.8    Woods, S.W.9
  • 44
    • 0033753952 scopus 로고    scopus 로고
    • Children's self-reported psychotic symptoms and adult schizophreniform disorder: A 15-year longitudinal study
    • Poulton, R., Caspi, A., Moffitt, T. E., Cannon, M., Murray, R., & Harrington, H. (2000). Children's self-reported psychotic symptoms and adult schizophreniform disorder: A 15-year longitudinal study. Archives of General Psychiatry, 57, 1053-1058.
    • (2000) Archives of General Psychiatry , vol.57 , pp. 1053-1058
    • Poulton, R.1    Caspi, A.2    Moffitt, T.E.3    Cannon, M.4    Murray, R.5    Harrington, H.6
  • 45
    • 77957824083 scopus 로고    scopus 로고
    • Neurocognitive indicators of clinical high-risk states for psychosis: A critical review of the evidence
    • Pukrop, R., & Klosterkotter, J. (2010). Neurocognitive indicators of clinical high-risk states for psychosis: A critical review of the evidence. Neurotoxicity Research, 18, 272-286.
    • (2010) Neurotoxicity Research , vol.18 , pp. 272-286
    • Pukrop, R.1    Klosterkotter, J.2
  • 48
    • 77953316957 scopus 로고    scopus 로고
    • Neuropsychology of the prodrome to psychosis in the NAPLS consortium: Relationship to family history and conversion to psychosis
    • North American Prodome Longitudinal Study (NAPLS) Group.
    • Seidman, L. J., Giuliano, A. J., Meyer, E. C., Addington, J., Cadenhead, K. S., Cannon, T. D., ⋯ North American Prodome Longitudinal Study (NAPLS) Group. (2010). Neuropsychology of the prodrome to psychosis in the NAPLS consortium: Relationship to family history and conversion to psychosis. Archives of General Psychiatry, 67, 578-588.
    • (2010) Archives of General Psychiatry , vol.67 , pp. 578-588
    • Seidman, L.J.1    Giuliano, A.J.2    Meyer, E.C.3    Addington, J.4    Cadenhead, K.S.5    Cannon, T.D.6
  • 49
    • 47949106309 scopus 로고    scopus 로고
    • Cognitive processing speed and the structure of white matter pathways: Convergent evidence from normal variation and lesion studies
    • Turken, A., Whitfield-Gabrieli, S., Bammer, R., Baldo, J. V., Dronkers, N. F., & Gabrieli, J. D. (2008). Cognitive processing speed and the structure of white matter pathways: Convergent evidence from normal variation and lesion studies. Neuroimage, 42, 1032-1044.
    • (2008) Neuroimage , vol.42 , pp. 1032-1044
    • Turken, A.1    Whitfield-Gabrieli, S.2    Bammer, R.3    Baldo, J.V.4    Dronkers, N.F.5    Gabrieli, J.D.6
  • 50
    • 64849096860 scopus 로고    scopus 로고
    • A systematic review and meta-analysis of the psychosis continuum: Evidence for a psychosis pronenesspersistence-impairment model of psychotic disorder
    • van Os, J., Linscott, R. J.,Myin-Germeys, I., Delespaul, P., & Krabbendam, L. (2009). A systematic review and meta-analysis of the psychosis continuum: Evidence for a psychosis pronenesspersistence-impairment model of psychotic disorder. Psychological Medicine, 39, 179-195.
    • (2009) Psychological Medicine , vol.39 , pp. 179-195
    • Van Os, J.1    Linscott, R.J.2    Myin-Germeys, I.3    Delespaul, P.4    Krabbendam, L.5
  • 51
    • 0026647441 scopus 로고
    • Evidence of dysfunction of a prefrontal-limbic network in schizophrenia: A magnetic resonance imaging and regional cerebral blood flow study of discordant monozygotic twins
    • Weinberger, D., Berman, K., Suddath, R., & Torrey, E. (1992). Evidence of dysfunction of a prefrontal-limbic network in schizophrenia: A magnetic resonance imaging and regional cerebral blood flow study of discordant monozygotic twins. American Journal of Psychiatry, 149, 890-897.
    • (1992) American Journal of Psychiatry , vol.149 , pp. 890-897
    • Weinberger, D.1    Berman, K.2    Suddath, R.3    Torrey, E.4
  • 55
    • 0037333669 scopus 로고    scopus 로고
    • Psychosis prediction: 12-Month follow up of a high-risk ("prodromal") group
    • DOI 10.1016/S0920-9964(02)00167-6, PII S0920996402001676
    • Yung, A. R., Phillips, L. J., Yuen, H. P., Francey, S. M., McFarlane, C. A., Hallgren, M., ⋯ McGorry, P. D. (2003). Psychosis prediction: 12-month follow up of a high-risk ("prodromal") group. Schizophrenia Research, 60, 21-32. (Pubitemid 36015785)
    • (2003) Schizophrenia Research , vol.60 , Issue.1 , pp. 21-32
    • Yung, A.R.1    Phillips, L.J.2    Yuen, H.P.3    Francey, S.M.4    McFarlane, C.A.5    Hallgren, M.6    McGorry, P.D.7


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