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Deductive Reasoning and Working Memory Skills in Individuals with Blindness
Eyal Heled1,2,3, Noa Elul2, Maurice Ptito4,5,6
1Department of Psychology, Ariel University, Ariel 40700, Israel.
Sensors (Basel, Switzerland)
|March 10, 2022
Summary
Congenital blindness impacts deductive reasoning, while late blindness may enhance it. Working memory is crucial for reasoning in visually impaired individuals, unlike sighted controls.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Ophthalmology
Background:
- Executive functions, including deductive reasoning and working memory, are vital for daily living, particularly for individuals with visual impairments.
- The impact of visual experience on these cognitive skills and their interrelationship remains underexplored.
Purpose of the Study:
- To investigate how congenital blindness (CB) and late blindness (LB) affect deductive reasoning and working memory.
- To examine the relationship between deductive reasoning and working memory across different visual experience groups.
Main Methods:
- A comparative study involving four groups: congenital blindness (CB), late blindness (LB), sighted blindfolded controls (SbfC), and sighted participants (n=15 per group).
- Participants completed two deductive reasoning tasks and two working memory tasks.
Main Results:
- Congenital blindness participants performed worse on reasoning tasks than sighted controls, while late blindness participants performed better than sighted blindfolded controls.
- Congenital blindness participants demonstrated superior working memory performance across both tests compared to all other groups.
- Working memory was significantly associated with deductive reasoning in all visually impaired groups but not in the sighted group.
Conclusions:
- Deductive reasoning is not a monolithic skill and is influenced by the onset of visual impairment, task difficulty, and working memory load.
- Visual experience plays a significant role in shaping executive functions, with distinct patterns observed in congenital versus late blindness.
- The findings highlight the adaptive nature of cognitive functions and their plasticity in response to sensory experience.
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