“Will you draw me a pelvis?ˮ Dynamic neuro-cognitive imagery improves pelvic schema and graphic-metric representation in people with Parkinsonʼs Disease: A randomized controlled trial

Amit Abraham, Ariel Hart, Ruth Dickstein, Madeleine E. Hackney

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Background: Body schema (i.e., the mental representations of the body), vital for motor and cognitive functions, is often distorted in people with Parkinsonʼs disease (PD). Deficits in body, and especially pelvic, schema can further exacerbate motor and cognitive deficits associated with PD. Such deficits, including those in graphic and metric misjudgments, can manifest in drawing tasks. Mental imagery is a recommended approach for PD rehabilitation with potential for ameliorating body schema. Objective: To investigate the effect of a two-week dynamic neuro-cognitive imagery (DNI) training versus in-home learning and exercise control (learning/exercise) on pelvic schema and graphic representation (i.e., drawing height and width). Design: Twenty participants with idiopathic PD (Hoehn&Yahr I-III; M age: 65.75 + 10.13) were randomly allocated into either a DNI or a learning/exercise group. Participants were asked to complete the “Draw Your Pelvisˮ test in which they drew their pelvis at pre- and post-intervention. Drawings were assessed for pelvic schema score and drawing dimensions (i.e., height and weight). Intervention: DNI anatomical and metaphorical imagery focusing on pelvic anatomy and biomechanics. Results: No difference (p >.05) was detected at baseline between drawn pelvis height and width. Following intervention, improvements were greater in the DNI group for pelvic schema (p <.01), drawn pelvic width (p <.05) and width-height difference (p <.05). Conclusions: This study suggests that DNI could serve as a rehabilitation path for improving body schema in people with PD. Future studies should explore DNI mechanisms of effect and the effect of enhanced pelvic schema on motor and non-motor deficits in this population.

Original languageEnglish
Pages (from-to)28-35
Number of pages8
JournalComplementary Therapies in Medicine
Volume43
DOIs
StatePublished - Apr 2019
Externally publishedYes

Keywords

  • Body schema
  • Drawing test
  • Dynamic neuro-cognitive imagery
  • Mental imagery
  • Parkinsonʼs disease
  • Pelvis

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