Neurological Basis of Bodily Self-Consciousness and Related Psychopathologies

Year 2020, Volume: 12 Issue: 1, 32 - 53, 31.03.2020

Ege Tekgün , Burak Erdeniz

https://doi.org/10.18863/pgy.536893

Abstract

The change in the body awareness of
people depending on the dynamic processing of the multisensory signals from the
body has been revealed the bodily self-consciousness approach. Recent studies
have proposed that the processing and integration of multisensory signals (i.e. vestibular, somatosensory) are fundamental requirement for
bodily self-consciousness. Perception
of body-parts and global aspect of whole body can dynamically change depending
on the congruency between signals from multiple modalities (i.e. vestibular,
somatosensory). The basic assumption of the studies investigating bodily
self-consciousness is that the bodily experiences are related with the
multisensory signal processing. The aim of the present article is to review how
the bodily self-consciousness is studied experimentally and discuss the
underlying sensory processes. In addition to that, we discussed the limitations
of the previous experimental studies.

Keywords

Bodily self-consciousness, out-of-body experiences, multisensory integration, rubber hand illusion, full-body illusions

Bedensel Öz-Bilincin Nörolojik Temelleri ve İlişkili Psikopatolojiler

Abstract

Bedenden gelen farklı duyusal bilgilerin dinamik bir şekilde işlenmesine bağlı olarak insanların bedensel farkındalıklarının değişmesi, bedensel öz-bilinç yaklaşımının ortaya çıkmasına neden olmuştur. Son yıllarda yapılan çalışmalara göre farklı duyu sistemlerinden gelen bu duyusal bilgilerin (örn. vestibüler, bedensel-duyusal) birlikte işlenmesi ve yorumlanması, bedensel öz-bilincin oluşması için temel bir gereksinim olarak gözükmektedir. Bu bağlamda duyusal sinyallerin uyumlu ya da uyumsuz olması sonucunda hem uzuv hem de tüm beden algısında çarpıcı değişimler gözlenmektedir. Bu alanda yürütülen çalışmaların temel varsayımı, bedensel deneyimlerin farklı duyulardan gelen sinyallerin tümleştirilerek birlikte işlenmesi sayesinde olduğu yönündedir. Bu makalede bedensel öz bilincin deneysel olarak nasıl çalıştığını incelenmesi ve altında yatan duyusal süreçlerin tartılması amaçlanmıştır. Buna ek olarak, daha önce yapılan deneysel çalışmaların kısıtları tartışılmıştır.

Keywords

Bedensel öz-bilinç, beden dışı deneyimler, duyusal tümleştirme, plastik el illüzyonu, tüm beden illüzyonları

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