Rola doświadczenia wzrokowego w procesie majoryzacji i minoryzacji wyobrażeniowej. Raport z badań uczniów niewidzących

Magdalena Szubielska; Bogusław Marek

doi:10.18778/1427-969X.19.04

Authors

Magdalena Szubielska Katolicki Uniwersytet Lubelski Jana Pawła II, Instytut Psychologii, Katedra Psychologii Eksperymentalnej
Bogusław Marek Katolicki Uniwersytet Lubelski Jana Pawła II, Instytut Filologii Angielskiej, Katedra Tyflodydaktyki Języka Angielskiego, i Komunikacji Alternatywnej

DOI:

https://doi.org/10.18778/1427-969X.19.04

Keywords:

mental majorization, mental minorization, blind students, visualization, spatial imagery

Abstract

It has been confirmed that the ability to visualize images, attributed to memories of visual experience, helps blind persons perform a wide range of tasks engaging spatial imagery. Two experiments involving totally blind students tested the importance of the ability to visualize images for accuracy of mental operation of enlarging or reducing the size of objects. It was hypothesized that congenitally blind persons commit a greater error than those retaining visual memory (H1) in enlarging objects (Experiment 1: mental majorization), and (H2) in reducing the size of objects imagined to be moving away (Experiment 2: mental minorization). The first hypothesis was partly confirmed. Students blind since birth showed a tendency to overestimate the size of objects which they explored manually and then mentally enlarged than those with no memories of visual experience. The second hypothesis was not confirmed – both groups made comparable mental resizing of objects imagined to be moving away.

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