V Peralta

Summary

Affiliation: Hospital Virgen del Camino
Country: Spain

Publications

  1. ncbi request reprint Classifying psychotic disorders: issues regarding categorial vs. dimensional approaches and time frame to assess symptoms
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 252:12-8. 2002
  2. doi request reprint Characterization of the deficit syndrome in drug-naive schizophrenia patients: the role of spontaneous movement disorders and neurological soft signs
    Victor Peralta
    To whom correspondence should be addressed Psychiatry Section B, Complejo Hospitalario de Navarra, Irunlarrea 3, 31008 Pamplona, Spain tel 34 848 422488, fax 34 848 429924, E mail
    Schizophr Bull 40:214-24. 2014
  3. doi request reprint The low- and higher-order factor structure of symptoms in patients with a first episode of psychosis
    Victor Peralta
    Psychiatry Unit B, Complejo Hospitalario de Navarra, Pamplona, Spain
    Schizophr Res 147:116-24. 2013
  4. doi request reprint Risk factors, pre-morbid functioning and episode correlates of neurological soft signs in drug-naive patients with schizophrenia-spectrum disorders
    V Peralta
    Psychiatry Section B, Complejo Hospitalario de Navarra, Pamplona, Spain
    Psychol Med 41:1279-89. 2011
  5. doi request reprint Characterization of spontaneous Parkinsonism in drug-naive patients with nonaffective psychotic disorders
    Victor Peralta
    Psychiatry Section B, Complejo Hospitalario de Navarra, Irunlarrea 3, 31008, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 262:131-8. 2012
  6. ncbi request reprint Patterns of symptoms in neuroleptic-naive patients with schizophrenia and related psychotic disorders before and after treatment
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Psychiatry Res 105:97-105. 2001
  7. ncbi request reprint Classification issues in catatonia
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 251:I14-6. 2001
  8. ncbi request reprint Familial liability and schizophrenia phenotypes: a polydiagnostic approach
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Schizophr Res 96:125-34. 2007
  9. ncbi request reprint The deficit syndrome of the psychotic illness. A clinical and nosological study
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 254:165-71. 2004
  10. ncbi request reprint Cycloid psychosis: an examination of the validity of the concept
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Curr Psychiatry Rep 9:184-92. 2007

Detail Information

Publications53

  1. ncbi request reprint Classifying psychotic disorders: issues regarding categorial vs. dimensional approaches and time frame to assess symptoms
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 252:12-8. 2002
    ..It is concluded that classification of psychotic disorders is highly dependent upon the time frame considered to assess symptoms and that dimensional classifications do have higher predictive power than categorical ones...
  2. doi request reprint Characterization of the deficit syndrome in drug-naive schizophrenia patients: the role of spontaneous movement disorders and neurological soft signs
    Victor Peralta
    To whom correspondence should be addressed Psychiatry Section B, Complejo Hospitalario de Navarra, Irunlarrea 3, 31008 Pamplona, Spain tel 34 848 422488, fax 34 848 429924, E mail
    Schizophr Bull 40:214-24. 2014
    ..More specifically, the data are consistent with a neurodevelopmental model of deficit symptoms involving basal ganglia dysfunction. ..
  3. doi request reprint The low- and higher-order factor structure of symptoms in patients with a first episode of psychosis
    Victor Peralta
    Psychiatry Unit B, Complejo Hospitalario de Navarra, Pamplona, Spain
    Schizophr Res 147:116-24. 2013
    ..The phenotype of psychotic disorders is presumed to be heterogeneous, but the best way to describe this heterogeneity remains unclear...
  4. doi request reprint Risk factors, pre-morbid functioning and episode correlates of neurological soft signs in drug-naive patients with schizophrenia-spectrum disorders
    V Peralta
    Psychiatry Section B, Complejo Hospitalario de Navarra, Pamplona, Spain
    Psychol Med 41:1279-89. 2011
    ..This study examined NSS in first-episode psychotic patients with respect to their factor structure and associations with risk factors, pre-morbid characteristics, psychopathology and spontaneous extrapyramidal syndromes...
  5. doi request reprint Characterization of spontaneous Parkinsonism in drug-naive patients with nonaffective psychotic disorders
    Victor Peralta
    Psychiatry Section B, Complejo Hospitalario de Navarra, Irunlarrea 3, 31008, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 262:131-8. 2012
    ..The NINDS criteria for probable SP, i.e., presence of any two of the three core parkinsonian signs, seem to be the most suitable for clinical and research purposes...
  6. ncbi request reprint Patterns of symptoms in neuroleptic-naive patients with schizophrenia and related psychotic disorders before and after treatment
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Psychiatry Res 105:97-105. 2001
    ..It is concluded that caution is warranted when using the three-factor model of schizophrenic symptoms as it may not be stable at different phases of the illness...
  7. ncbi request reprint Classification issues in catatonia
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 251:I14-6. 2001
    ..When definitions are more restrictive as in Leonhard's system, catatonia seems to be better accommodated as a "third psychosis", i.e. described by the concept of cycloid psychosis...
  8. ncbi request reprint Familial liability and schizophrenia phenotypes: a polydiagnostic approach
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Schizophr Res 96:125-34. 2007
    ..Using a polydiagnostic approach we examined the relationship between familial liability and alternative schizophrenia phenotypes...
  9. ncbi request reprint The deficit syndrome of the psychotic illness. A clinical and nosological study
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 254:165-71. 2004
    ..The deficit syndrome may be diagnosed irrespective of the specific categories of psychotic disorders...
  10. ncbi request reprint Cycloid psychosis: an examination of the validity of the concept
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Curr Psychiatry Rep 9:184-92. 2007
    ..The existence of putative subtypes is also likely, and the differentiation between affective and nonaffective subtypes has received some support...
  11. ncbi request reprint The relationship between syndromes of the psychotic illness and familial liability to schizophrenia and major mood disorders
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Schizophr Res 91:200-9. 2007
    ..The aim of this study is to further examine this issue by analyzing a large sample of psychotic probands and their first-degree relatives...
  12. ncbi request reprint Obstetric complications and neurological abnormalities in neuroleptic-naive psychotic patients
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 256:407-13. 2006
    ..Having a history of OCs does not convey a vulnerability for developing drug-induced neurological signs in the short term...
  13. ncbi request reprint The nosology of psychotic disorders: a comparison among competing classification systems
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Schizophr Bull 29:413-25. 2003
    ..These results make clear the problems inherent in drawing well-defined boundaries between psychotic disorders...
  14. ncbi request reprint Cycloid psychosis
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Int Rev Psychiatry 17:53-62. 2005
    ..Future studies should examine putative subtypes of the disorder in relation to etiological, pathophysiological and clinical variables...
  15. ncbi request reprint Diagnostic significance of Schneider's first-rank symptoms in schizophrenia. Comparative study between schizophrenic and non-schizophrenic psychotic disorders
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Br J Psychiatry 174:243-8. 1999
    ..Despite the lack of consistent empirical support, modern diagnostic criteria of schizophrenia give particular emphasis to Schneider's first-rank symptoms (FRSs)...
  16. ncbi request reprint Exploring the borders of the schizoaffective spectrum: a categorical and dimensional approach
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    J Affect Disord 108:71-86. 2008
    ..We aimed at examining the nature of such a relationship in a mixed sample of psychotic disorders by using a dimensional and categorical approach to psychopathology...
  17. ncbi request reprint How many and which are the psychopathological dimensions in schizophrenia? Issues influencing their ascertainment
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, E 31008, Pamplona, Spain
    Schizophr Res 49:269-85. 2001
    ..A hierarchical approach for organizing the complex dimensional structure of schizophrenic symptoms is proposed...
  18. doi request reprint Neuromotor abnormalities in neuroleptic-naive psychotic patients: antecedents, clinical correlates, and prediction of treatment response
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Compr Psychiatry 52:139-45. 2011
    ..The study's aim was to examine the prevalence and correlates of neuromotor abnormalities in a sample of neuroleptic-naive psychotic patients...
  19. doi request reprint The meaning of childhood attention-deficit hyperactivity symptoms in patients with a first-episode of schizophrenia-spectrum psychosis
    Victor Peralta
    Psychiatry Section B, Complejo Hospitalario de Navarra, Pamplona, Spain
    Schizophr Res 126:28-35. 2011
    ....
  20. ncbi request reprint Dimensional structure of psychotic symptoms: an item-level analysis of SAPS and SANS symptoms in psychotic disorders
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Schizophr Res 38:13-26. 1999
    ..The subscale composition of the SAPS and SANS was not supported...
  21. doi request reprint Motor behavior abnormalities in drug-naïve patients with schizophrenia spectrum disorders
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Mov Disord 25:1068-76. 2010
    ..It is hypothesized that the existence of a differential dopaminergic dysfunction in the nigroestriatal circuitry is responsible for the generation of those motor domains that improve and worsen with antipsychotic drugs...
  22. ncbi request reprint Differentiating primary from secondary negative symptoms in schizophrenia: a study of neuroleptic-naive patients before and after treatment
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Spain
    Am J Psychiatry 157:1461-6. 2000
    ..The study examined the primary versus secondary character of negative symptoms in a group of first-episode, neuroleptic-naive psychotic patients before and after they started neuroleptic treatment...
  23. doi request reprint DSM-IV catatonia signs and criteria in first-episode, drug-naive, psychotic patients: psychometric validity and response to antipsychotic medication
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Schizophr Res 118:168-75. 2010
    ..To examine the prevalence, psychometric validity and response to antipsychotic drugs of DSM-IV catatonia signs and criteria in patients with a first-episode psychotic disorder...
  24. ncbi request reprint Motor features in psychotic disorders. I. Factor structure and clinical correlates
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, E 31008 Pamplona, Spain
    Schizophr Res 47:107-16. 2001
    ..It is concluded that the factor structure of motor disorders and its clinical correlates are rather more complex than generally acknowledged...
  25. ncbi request reprint Motor features in psychotic disorders. II. Development of diagnostic criteria for catatonia
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, E 31008 Pamplona, Spain
    Schizophr Res 47:117-26. 2001
    ..In conclusion, patients displaying three or more classical motor signs may be diagnosed with confidence as suffering from a catatonic syndrome...
  26. doi request reprint Characterization of affective domains within the nonaffective psychotic disorders
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Schizophr Res 111:61-9. 2009
    ..To characterize the affective dimensions of psychopathology in patients with a nonaffective psychosis and to examine their validity against a number of external variables...
  27. ncbi request reprint Duration of untreated psychotic illness: the role of premorbid social support networks
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008, Pamplona, Spain
    Soc Psychiatry Psychiatr Epidemiol 40:345-9. 2005
    ..This study aimed at examining the influence of premorbid social networks on the duration of untreated psychotic illness...
  28. ncbi request reprint Neurological frontal signs and neuropsychological deficits in schizophrenic patients
    M J Cuesta
    Psychiatric Unit I, Virgen del Camino Hospital, Pamplona, Spain
    Schizophr Res 20:15-20. 1996
    ..There was a statistically significant relationships between the frontal signs and the cognitive deficits (mean shared variance was 22%) which persisted after correcting for the influence of age, education, and duration of illness...
  29. ncbi request reprint Illness duration and neuropsychological impairments in schizophrenia
    M J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Schizophr Res 33:141-50. 1998
    ..These findings suggest the existence of a relationship between cognitive decline in visuomotor and delayed visual memory functions and the length of schizophrenic illness...
  30. ncbi request reprint Psychopathological dimensions and lack of insight in schizophrenia
    M J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital c Irunlarrea sn, Pamplona, Spain
    Psychol Rep 83:895-8. 1998
    ..In addition, when insight was assessed through a multidimensional approach, a variety of relationships with the schizophrenic dimensions were found...
  31. ncbi request reprint Effects of olanzapine and other antipsychotics on cognitive function in chronic schizophrenia: a longitudinal study
    M J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital, Pamplona, Spain
    Schizophr Res 48:17-28. 2001
    ..No differential improvements were found in social functioning, verbal fluency, non-verbal domains of memory or visuo-motor abilities...
  32. ncbi request reprint Reappraising insight in psychosis. Multi-scale longitudinal study
    M J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Br J Psychiatry 177:233-40. 2000
    ..Many patients suffering from psychosis are unaware of their disorder and symptoms...
  33. ncbi request reprint Integrating psychopathological dimensions in functional psychoses: a hierarchical approach
    M J Cuesta
    Psychiatric Unit I of the Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Schizophr Res 52:215-29. 2001
    ..The findings have implications for the design of future studies and for the hierarchical conceptualization of psychopathological dimensions...
  34. ncbi request reprint Abnormal subjective experiences in schizophrenia: its relationships with neuropsychological disturbances and frontal signs
    M J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 246:101-5. 1996
    ..Many significant relationships between subjective experiences and cognitive disturbances persisted after controlling the influence of age, gender, education, lack of insight, neuroleptic doses, and biperidene doses...
  35. ncbi request reprint Thought disorder in schizophrenia. Testing models through confirmatory factor analysis
    M J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 249:55-61. 1999
    ..Thought Disorder dimensions would be potential markers for biological, neurophysiological, and neuropsychological studies of schizophrenic disorder...
  36. ncbi request reprint Are personality traits associated with cognitive disturbance in psychosis?
    M J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital, C Irunlarrea 4, E 31008 Pamplona, Spain
    Schizophr Res 51:109-17. 2001
    ..The goal of the present study was to analyze the relationship between dimensions of personality and cognitive performance in individuals with psychosis...
  37. ncbi request reprint [Psychosis associated to megacisterna magna]
    M Langarica
    Unidad de Psiquiatria, Hospital Virgen del Camino, Pamplona
    An Sist Sanit Navar 28:119-21. 2005
    ..This is the first report of such an association, and it is suggested that both the psychotic disorder and the mega cisterna magna may be the expression of a single underlying neurodevelopment abnormality...
  38. ncbi request reprint Empirical validation of competing definitions of schizophrenia: a poly-diagnostic study of cognitive impairment in non-affective psychosis
    Manuel J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital c Irunlarrea 4, E 31008 Pamplona, Spain
    Schizophr Res 95:39-47. 2007
    ..Most diagnostic criteria are still influenced to a large extent by historical and consensus-based perspectives...
  39. ncbi request reprint The underlying structure of diagnostic systems of schizophrenia: a comprehensive polydiagnostic approach
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, 31008 Pamplona, Spain
    Schizophr Res 79:217-29. 2005
    ..These results are consistent with a unitary and dimensional construct of schizophrenia with no clear "points of rarity" at its boundaries, thus supporting the continuum hypothesis of the psychotic illness...
  40. pmc Insight dimensions and cognitive function in psychosis: a longitudinal study
    Manuel J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital, E 31008 Pamplona, Spain
    BMC Psychiatry 6:26. 2006
    ..It has been reported that lack of insight is significantly associated with cognitive disturbance in schizophrenia. This study examines the longitudinal relationships between insight dimensions and cognitive performance in psychosis...
  41. ncbi request reprint [Incidence of psychiatric disorders in patients with fecal incontinence]
    Mario De Miguel
    Servicio de Cirugia General, Hospital Virgen del Camino, Pamplona, Navarra, Spain
    Cir Esp 79:241-4. 2006
    ..To evaluate the presence of psychiatric alterations in patients with fecal incontinence...
  42. ncbi request reprint Neurological soft-signs in psychosis: threshold criteria for discriminating normal controls and for predicting cognitive impairment
    Manuel J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, C Irunlarrea 4, E 31008, Pamplona, Spain
    Schizophr Res 58:263-71. 2002
    ..NSS were highly efficient predictors of the presence of severe cognitive impairment related to psychosis. However, their ability to discriminate between individuals with psychosis and normal controls was modest...
  43. ncbi request reprint Psychopathological dimensions in first-episode psychoses. From the trunk to the branches and leaves
    Manuel J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital, C Irunlarrea sn, 31008, Pamplona, Spain
    Eur Arch Psychiatry Clin Neurosci 253:73-9. 2003
    ..However, few studies have addressed the dilemma of hierarchy within symptoms or dimensions in psychosis...
  44. doi request reprint Controversies surrounding the diagnosis of schizophrenia and other psychoses
    Manuel J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, C Irunlarrea 4, E 31008 Pamplona, Spain
    Expert Rev Neurother 9:1475-86. 2009
    ..These new methods of assessment merging created by the shift toward a dimensional paradigm will be applied in the forthcoming new diagnostic criteria and may allow for a phenome-wide scanning for psychosis...
  45. ncbi request reprint Psychopathological assessment of schizophrenia: relevance for classification
    Manuel J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital, Irunlarrea 4, Pamplona 31008, Spain
    Curr Psychiatry Rep 11:324-31. 2009
    ..Finally, the known limitations of the Kraepelinian dichotomy are summarized, and future problems related to the inclusion of the new dimensional assessment methods in the next psychiatric classifications are described...
  46. doi request reprint Cognitive effectiveness of olanzapine and risperidone in first-episode psychosis
    Manuel J Cuesta
    Psychiatric Unit, Virgen del Camino Hospital c Irunlarrea 4, Pamplona E 31008, Spain
    Br J Psychiatry 194:439-45. 2009
    ..Cognitive impairment in schizophrenia-spectrum disorders is highly prevalent and notably influences functional outcomes...
  47. ncbi request reprint A taxometric analysis of schizophrenia symptoms
    Manuel J Cuesta
    Psychiatric Unit of Virgen del Camino Hospital, C Irunlarrea 4, Pamplona E 31008, Spain
    Psychiatry Res 150:245-53. 2007
    ..The lack of a taxonic structure with symptomatological domains of psychosis suggested the existence of a dimensional solution for schizophrenia symptomatology within psychoses...
  48. ncbi request reprint Premorbid personality and psychopathological dimensions in first-episode psychosis
    Manuel J Cuesta
    Psychiatric Unit I, Virgen del Camino Hospital, C Irunlarrea 4, E 31008, Pamplona, Spain
    Schizophr Res 58:273-80. 2002
    ..The aim of this study was to examine the relationships between personality and psychopathology in a 'first-episode psychosis' sample using a dimensional approach...
  49. ncbi request reprint Clinical models of schizophrenia: a critical approach to competing conceptions
    V Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Psychopathology 33:252-8. 2000
    ..The use of a polydiagnostic approach on the one hand, and a multidimensional approach on the other (the polydiagnostic-multidimensional paradigm), seems to be a promising strategy to better understand the heterogeneity of schizophrenia...
  50. ncbi request reprint Cycloid psychosis: a clinical and nosological study
    Victor Peralta
    Psychiatric Unit, Virgen del Camino Hospital, Pamplona, Spain
    Psychol Med 33:443-53. 2003
    ..This study examined the clinical validity and nosological status of the cycloid psychosis concept...
  51. ncbi request reprint Can schizophrenia be diagnosed in the initial prodromal phase?
    Victor Peralta
    Arch Gen Psychiatry 59:664-5. 2002
  52. pmc Current psychopathological issues in psychosis: towards a phenome-wide scanning approach
    Manuel J Cuesta
    Schizophr Bull 34:587-90. 2008
  53. ncbi request reprint Interleukin-1beta (IL-1beta) gene and increased risk for the depressive symptom-dimension in schizophrenia spectrum disorders
    Araceli Rosa
    Unitat d Antropologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
    Am J Med Genet B Neuropsychiatr Genet 124:10-4. 2004
    ..07). This tendency was not observed in the healthy offspring. Using a multidimensional symptom approach to the diagnosis, the association was confirmed in psychotic patients showing the depressive symptom-dimension (P = 0.02)...