1 |
Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. |
Characteristics of the experience |
Assess the duration of loss of contact with reality. |
5 |
The clinical group tends to lose contact with reality for longer periods of time than the non-clinical group. |
2 |
Peters et al.40 40. Peters ER, Joseph SA, Garety PA. Measurement of delusional ideation in the normal population: introducing the PDI (Peters et al. Delusions Inventory). Schizophr Bull. 1999;25:553-76Peters et al.41 41. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52.Bronn & McIlwain4242. Bronn G, McIlwain D. Assessing spiritual crises: peeling off another layer of a seemingly endless onion. J Humanist Psychol. 2015;55:345-82. Escolà-Gascón4343. Escolà-Gascón Á. Researching unexplained phenomena II: new evidences for anomalous experiences supported by the Multivariable Multiaxial Suggestibility Inventory-2 (MMSI-2). Curr Res Behav Sciences. 2020;1:100005. Humpston et al.4444. Humpston CS, Walsh E, Oakley DA, Mehta MA, Bell V, Deeley Q. The relationship between different types of dissociation and psychosis-like experiences in a non-clinical sample. Conscious Cogn. 2016;41:83-92. Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. Moreira-Almeida et al.45 45. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4.Unterrassner et al.4646. Unterrassner L, Wyss TA, Wotruba D, Haker H, Rössler W. The intricate relationship between psychotic-like experiences and associated subclinical symptoms in healthy individuals. Front Psychol. 2017;8:1537. Vencio et al.47 47. Vencio S, Caiado-Vencio R, Caixeta L. Differential diagnosis between anomalous experiences and dissociation disorder using the Dissociative Disorders Interview Schedule (DDIS). J Trauma Dissociation. 2019;20:165-78.Brett et al.48 48. Brett CM, Peters EP, Johns LC, Tabraham P, Valmaggia LR, McGuire P. Appraisals of Anomalous Experiences Interview (AANEX): a multidimensional measure of psychological responses to anomalies associated with psychosis. Br J Psychiatry Suppl. 2007;51:s23-30.Brett et al.4949. Brett C, Heriot-Maitland C, McGuire P, Peters E. Predictors of distress associated with psychotic-like anomalous experiences in clinical and non-clinical populations. Br J Clin Psychol. 2014;53:213-27. |
Characteristics of the experience |
Most content and form of anomalous experiences and paranormal beliefs do not differ between clinical and non-clinical groups. |
2 |
Extrasensory perception, dissociative experiences, hallucinations, paranormal beliefs, unusual perceptions, thought insertion, mind reading, and feelings of being controlled do not differ between clinical and non-clinical groups. |
3 |
Peters et al.4040. Peters ER, Joseph SA, Garety PA. Measurement of delusional ideation in the normal population: introducing the PDI (Peters et al. Delusions Inventory). Schizophr Bull. 1999;25:553-76 |
Characteristics of the experience |
The intensity of the phenomenon did not differ between clinical and non-clinical groups. |
3 |
The intensity of the phenomenon/number of anomalous experiences did not differ between clinical and non-clinical groups. |
4 |
Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Characteristics of the experience |
Assess lifetime history of anomalous experiences. |
3 |
Age of onset is earlier and time lived with anomalous experiences is longer in the non-clinical group than the clinical group. |
5 |
Cicero et al.5050. Cicero DC, Gawęda Ł, Nelson B. The placement of anomalous self-experiences within schizotypal personality in a nonclinical sample. Schizophr Res. 2020;218:219-25. Peters et al.41 41. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52.Unterrassner et al.4646. Unterrassner L, Wyss TA, Wotruba D, Haker H, Rössler W. The intricate relationship between psychotic-like experiences and associated subclinical symptoms in healthy individuals. Front Psychol. 2017;8:1537. |
Characteristics of the experience |
Assess paranoid symptoms |
2 |
Ideas of reference and suspiciousness are more frequent in clinical groups than non-clinical groups. |
6 |
Brett et al.48 48. Brett CM, Peters EP, Johns LC, Tabraham P, Valmaggia LR, McGuire P. Appraisals of Anomalous Experiences Interview (AANEX): a multidimensional measure of psychological responses to anomalies associated with psychosis. Br J Psychiatry Suppl. 2007;51:s23-30.Brett et al.49 49. Brett C, Heriot-Maitland C, McGuire P, Peters E. Predictors of distress associated with psychotic-like anomalous experiences in clinical and non-clinical populations. Br J Clin Psychol. 2014;53:213-27.Bronn & McIlwain4242. Bronn G, McIlwain D. Assessing spiritual crises: peeling off another layer of a seemingly endless onion. J Humanist Psychol. 2015;55:345-82. Humpston et al.4444. Humpston CS, Walsh E, Oakley DA, Mehta MA, Bell V, Deeley Q. The relationship between different types of dissociation and psychosis-like experiences in a non-clinical sample. Conscious Cogn. 2016;41:83-92. Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. Peters et al.40 40. Peters ER, Joseph SA, Garety PA. Measurement of delusional ideation in the normal population: introducing the PDI (Peters et al. Delusions Inventory). Schizophr Bull. 1999;25:553-76Peters et al.41 41. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52.Preti et al.5151. Preti A, Bonventre E, Ledda V, Petretto DR, Masala C. Hallucinatory experiences, delusional thought proneness, and psychological distress in a nonclinical population. J Nerv Ment Dis. 2007;195:484-91. Preti et al.5252. Preti A, Cella M, Raballo A, Vellante M. Psychotic-like or unusual subjective experiences? The role of certainty in the appraisal of the subclinical psychotic phenotype. Psychiatry Res. 2012;200:669-73. |
Consequences of the experience |
Assess the patient’s reaction to anomalous content |
2 |
The clinical group acts out delusions with bizarre behavior, experiences greater distress, and loses contact with reality. |
7 |
Brett et al.48 48. Brett CM, Peters EP, Johns LC, Tabraham P, Valmaggia LR, McGuire P. Appraisals of Anomalous Experiences Interview (AANEX): a multidimensional measure of psychological responses to anomalies associated with psychosis. Br J Psychiatry Suppl. 2007;51:s23-30.Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. Marzanski & Bratton5353. Marzanski M, Bratton M. Psychopathological symptoms and religious experience: a critique of Jackson and Fulford. Philos Psychiatr Psychol. 2002;9:359-371. Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Consequences of the experience |
Assess how the anomalous experience is embedded in the individual’s values, context and beliefs |
2 |
The non-clinical group tends to integrate the experience positively in their life, perceiving it in line with some religious-narrative context or values and are more able to adopt a mindful and accepting attitude, feeling psychological well-being as a result of their experience. |
8 |
Marzanski & Bratton5353. Marzanski M, Bratton M. Psychopathological symptoms and religious experience: a critique of Jackson and Fulford. Philos Psychiatr Psychol. 2002;9:359-371. |
Context and perception of the experience |
Assess insight |
5 |
The non-clinical group has greater insight into the unusual quality of their experience than the clinical group. |
9 |
Brett et al.48 48. Brett CM, Peters EP, Johns LC, Tabraham P, Valmaggia LR, McGuire P. Appraisals of Anomalous Experiences Interview (AANEX): a multidimensional measure of psychological responses to anomalies associated with psychosis. Br J Psychiatry Suppl. 2007;51:s23-30.Brett et al.49 49. Brett C, Heriot-Maitland C, McGuire P, Peters E. Predictors of distress associated with psychotic-like anomalous experiences in clinical and non-clinical populations. Br J Clin Psychol. 2014;53:213-27.Peters et al.41 41. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52.Moreira-Almeida45 45. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4.Damiano et al.5454. Damiano RF, Machado L, Loch AA, Moreira-Almeida A, Machado L. Ninety years of multiple psychotic-like and spiritual experiences in a Doctor Honoris Causa: a case report and literature review. J Nerv Ment Dis. 2021;209:449-53. |
Context and perception of the experience |
Assess the feeling of control during the experience |
2 |
The non-clinical group has more control over the experience than the clinical group and does not usually present with greater distress when appraising the experience. A feeling of control may be developed after training in some spiritual tradition. |
10 |
Unterrassner et al.4646. Unterrassner L, Wyss TA, Wotruba D, Haker H, Rössler W. The intricate relationship between psychotic-like experiences and associated subclinical symptoms in healthy individuals. Front Psychol. 2017;8:1537. Cicero et al.5050. Cicero DC, Gawęda Ł, Nelson B. The placement of anomalous self-experiences within schizotypal personality in a nonclinical sample. Schizophr Res. 2020;218:219-25. Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Negative symptoms |
Assess negative symptoms |
2 |
The non-clinical group reported fewer negative symptoms and anhedonia than the clinical group. |
11 |
Cicero et al.5050. Cicero DC, Gawęda Ł, Nelson B. The placement of anomalous self-experiences within schizotypal personality in a nonclinical sample. Schizophr Res. 2020;218:219-25. Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Cognitive factors |
Assess cognitive performance |
2 |
The clinical group has more cognitive difficulties, a lower IQ, and more disorganization than the non-clinical group. |
12 |
Brett et al.48 48. Brett CM, Peters EP, Johns LC, Tabraham P, Valmaggia LR, McGuire P. Appraisals of Anomalous Experiences Interview (AANEX): a multidimensional measure of psychological responses to anomalies associated with psychosis. Br J Psychiatry Suppl. 2007;51:s23-30.Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Cognitive factors |
Assess cognitive style |
2 |
The clinical group has a more negative view of self and others than the non-clinical group. |
13 |
Gabbard et al.55 55. Gabbard GO, Twemlow SW, Jones FC. Differential diagnosis of altered mind/body perception. Psychiatry. 1982;45:361-9.Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. Moreira-Almeida et al.45 45. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4.Peters et al.41 41. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52.Vencio et al.4747. Vencio S, Caiado-Vencio R, Caixeta L. Differential diagnosis between anomalous experiences and dissociation disorder using the Dissociative Disorders Interview Schedule (DDIS). J Trauma Dissociation. 2019;20:165-78. |
Comorbidities |
Assess other mental symptoms and disorders |
2 |
The clinical group experiences other mental symptoms and requires antipsychotic medication more frequently than the non-clinical group. The non-clinical group is less likely to be diagnosed with borderline personality disorder and has fewer other mental disorders and less somnambulism than the clinical group with DID. There were no differences in somatic complaints or personality traits between the non-clinical group and the group without anomalous experiences. |
14 |
Unterrassner et al.4646. Unterrassner L, Wyss TA, Wotruba D, Haker H, Rössler W. The intricate relationship between psychotic-like experiences and associated subclinical symptoms in healthy individuals. Front Psychol. 2017;8:1537. Cicero et al.5050. Cicero DC, Gawęda Ł, Nelson B. The placement of anomalous self-experiences within schizotypal personality in a nonclinical sample. Schizophr Res. 2020;218:219-25. Escolà-Gascón4343. Escolà-Gascón Á. Researching unexplained phenomena II: new evidences for anomalous experiences supported by the Multivariable Multiaxial Suggestibility Inventory-2 (MMSI-2). Curr Res Behav Sciences. 2020;1:100005. Jackson & Fulford3939. Fulford KWM, Jackson M. Spiritual experience and psychopathology. Philos Psychiatr Psychol. 1997;4:41-65. |
Personality |
Assess personality traits |
3 |
Harm avoidance, introverted anhedonia, and novelty-seeking predict psychopathology or lower quality of life while self-transcendence, self-directedness, and ego-strength are predictors of better mental health. |
15 |
Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Family history |
Assess family history of psychosis |
3 |
Family history of psychosis is more frequent in the clinical group than the non-clinical group. |
16 |
Cicero et al.5050. Cicero DC, Gawęda Ł, Nelson B. The placement of anomalous self-experiences within schizotypal personality in a nonclinical sample. Schizophr Res. 2020;218:219-25. Moreira-Almeida et al.45 45. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4.Vencio et al.4747. Vencio S, Caiado-Vencio R, Caixeta L. Differential diagnosis between anomalous experiences and dissociation disorder using the Dissociative Disorders Interview Schedule (DDIS). J Trauma Dissociation. 2019;20:165-78. |
Premorbid history |
Assess history of childhood trauma |
2 |
No difference in childhood trauma or psychiatric history between the non-clinical group and the group without anomalous experiences. |
17 |
Moreira-Almeida et al.45 45. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4.Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Sociodemographic factors |
Assess functionality |
2 |
The non-clinical group tends to obtain higher educational levels, have better jobs, and use mental health services less than the clinical group. |
18 |
Brett et al.49 49. Brett C, Heriot-Maitland C, McGuire P, Peters E. Predictors of distress associated with psychotic-like anomalous experiences in clinical and non-clinical populations. Br J Clin Psychol. 2014;53:213-27.Peters et al.4141. Peters E, Ward T, Jackson M, Morgan C, Charalambides M, McGuire P, et al. Clinical, socio-demographic and psychological characteristics in individuals with persistent psychotic experiences with and without a “need for care”. World Psychiatry. 2016;15:41-52. |
Sociodemographic factors |
Assess relationship history |
2 |
The non-clinical group enjoys longer relationships and experiences less lifetime discrimination than the clinical group. |
19 |
Gabbard et al.5555. Gabbard GO, Twemlow SW, Jones FC. Differential diagnosis of altered mind/body perception. Psychiatry. 1982;45:361-9. |
Sociodemographic factors |
Religious affiliation does not differentiate individuals |
3 |
Current religious affiliation did not differentiate the non-clinical group from the group without anomalous experiences. |
20 |
Moreira-Almeida et al.4545. Moreira-Almeida A, Neto FL, Cardeña E. Comparison of brazilian spiritist mediumship and dissociative identity disorder. J Nerv Ment Dis. 2008;196:420-4. |
Sociodemographic factors |
Sex does not differentiate individuals |
3 |
No sex differences regarding DID in non-clinical groups. |