Preprint Brief Report Version 1 NOT YET PEER-REVIEWED

Validation Study of Italian Version of Inventory for DéJà vu Experiences Assessment (I-IDEA): A Screening Tool to Detect DéJà vu Phenomenon in Italian Healthy Individuals

Version 1 : Received: 10 July 2017 / Approved: 11 July 2017 / Online: 11 July 2017 (16:05:10 CEST)

A peer-reviewed article of this Preprint also exists.

Mumoli, L.; Tripepi, G.; Aguglia, U.; Augimeri, A.; Baggetta, R.; Bisulli, F.; Bruni, A.; Cavalli, S.M.; D’Aniello, A.; Daniele, O.; Di Bonaventura, C.; Di Gennaro, G.; Fattouch, J.; Ferlazzo, E.; Ferrari, A.; Giallonardo, A.; Gasparini, S.; Nigro, S.; Romigi, A.; Sofia, V.; Tinuper, P.; Vaccaro, M.G.; Zummo, L.; Quattrone, A.; Gambardella, A.; Labate, A. Validation Study of Italian Version of Inventory for Déjà Vu Experiences Assessment (I-IDEA): A Screening Tool to Detect Déjà Vu Phenomenon in Italian Healthy Individuals. Behav. Sci. 2017, 7, 50. Mumoli, L.; Tripepi, G.; Aguglia, U.; Augimeri, A.; Baggetta, R.; Bisulli, F.; Bruni, A.; Cavalli, S.M.; D’Aniello, A.; Daniele, O.; Di Bonaventura, C.; Di Gennaro, G.; Fattouch, J.; Ferlazzo, E.; Ferrari, A.; Giallonardo, A.; Gasparini, S.; Nigro, S.; Romigi, A.; Sofia, V.; Tinuper, P.; Vaccaro, M.G.; Zummo, L.; Quattrone, A.; Gambardella, A.; Labate, A. Validation Study of Italian Version of Inventory for Déjà Vu Experiences Assessment (I-IDEA): A Screening Tool to Detect Déjà Vu Phenomenon in Italian Healthy Individuals. Behav. Sci. 2017, 7, 50.

Journal reference: Behav. Sci. 2017, 7, 50
DOI: 10.3390/bs7030050

Abstract

The Inventory Déjà Vu Experiences Assessment (IDEA) is the only screening instrument proposed to evaluate Déjà vu (DV) experience. Here we intended to validate the Italian version of IDEA (I-IDEA) and at the same time to investigate the incidence and subjective qualities of DV phenomenon in Italian healthy adult individuals on basis of an Italian multicentre observational study. In this study we report normative data on the I-IDEA, collected on a sample of 542 Italian healthy subjects aging between 18 to 70 years (average age 40, range 18-70) with a formal educational from 1-19 years. From September 2013 to March 2016 were recruited 542 healthy volunteers from ten outpatient neurological clinics in ItalyAll participants (i.e family members of neurological patients enrolled, medicine’s student, physicians) had no neurological or psychiatric illness and they gave informed consent to participate in the study. All subjects enrolled had self-administered the questionnaire and they are able to complete I-IDEA test without any support. In total 396 (73%) of the 542 healthy controls had DV phenomenon. The frequency of DV was inversely related to age as well as to derealisation, jamais vu, precognitive dreams, depersonalization, paranormal activity, remembering dreams, travel frequency and daydreams (all P<0.012). The Italian version of IDEA maintains good properties in Italian version, thus confirming that this instrument is reliable for detecting and characterising the DV phenomenon.

Subject Areas

Déjà Vu; Inventory for Déjà Vu Experiences Assessment (IDEA)

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