Table 1.

Instruments used.

Questionnaire	Acronym	Number of questions	Factors/Subdimensions
Mystical Experiences Questionnaire	MEQ	30	Mystical, Positive Mood, Transcendence of Time and Space, Ineffability
Hood Mysticism Scale	HMS	32	Unity, Ineffability, Positive Affect, Sense of Sacredness, Loss of Ego
Hallucinogen Rating Scale	HRS	99	Intensity, Somaesthesia, Affect, Perception, Cognition, Volition
States of Consciousness Questionnaire	SOCQ	100 (43 Pahnke–Richards Mystical Experience Questionnaire; 57 distractors)	Unity, Transcendence of Time and Space, Ineffability, Sacredness, Noetic Quality, Positive Mood
5 Dimensions of Altered State of Consciousness Questionnaire	5D-ASC	96	Oceanic Boundlessness, Dread of Ego Dissolution, Visionary Restructuralization, Auditory Alterations, Altered Vigilance
11 Dimensions of Altered State of Consciousness Questionnaire	11D-ASC	94 (44 scored; 50 distractors)	Experience of Unity, Spiritual Experience, Blissful State Insightfulness, Disembodiment, Impaired Control and Cognition, Anxiety, Complex Imagery, Elementary Imagery, Audio-Visual Synesthesia, Changed Meaning of Perceptions