Table 5 Questionnaire items used in the ‘long’ version of the mixed-reality task.

From: Trait dissociation is associated with dissociative experiences arising from disrupted multisensory integration

Item

Sometimes I felt…

Factor

1.

Alienation from my body

Disownership

2.

As if my body did not belong to me anymore

Disownership

3.

As if my body was numb

Deafference

4.

As though the experience of my hand was less vivid than normal

Deafference

5.

As if the body I saw was my own

Embodiment

6.

As if I could move the seen body

Embodiment

7.

As if I were not real or as if I were cut-off from the world

Derealisation

8.

As if my surroundings felt detached or unreal

Derealisation

9.

That the experience was pleasant

Pleasantness

  1. Items 1–6 adapted from previous research using the Mixed-Reality task which used a Principal Component Analysis to identify Disownership, Deafference and Embodiment as distinct yet related experiences reported in response to the task20. Items 7–8 adapted from Cambridge Depersonalisation Scale 42.
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