Inconsistent-handed advantage in episodic memory extends to paragraph-level materials

Memory. 2017 Sep;25(8):1063-1071. doi: 10.1080/09658211.2016.1257725. Epub 2016 Nov 21.

Abstract

Past research using handedness as a proxy for functional access to the right hemisphere demonstrates that individuals who are mixed/inconsistently handed outperform strong/consistently handed individuals when performing episodic recall tasks. However, research has generally been restricted to stimuli presented in a list format. In the present paper, we present two studies in which participants were presented with paragraph-level material and then asked to recall material from the passages. The first study was based on a classic study looking at retroactive interference with prose materials. The second was modelled on a classic experiment looking at perspective taking and the content of memory. In both studies, the classic effects were replicated and the general finding that mixed/inconsistent-handers outperform strong/consistent-handers was replicated. This suggests that considering degree of handedness may be an empirically useful means of reducing error variance in paradigms looking at memory for prose level material.

Keywords: Handedness; episodic memory; interhemispheric interaction; paragraph memory; text memory.

MeSH terms

  • Adolescent
  • Female
  • Functional Laterality*
  • Humans
  • Male
  • Memory, Episodic*
  • Mental Recall*
  • Reading*
  • Recognition, Psychology*
  • Young Adult