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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Temporal clusters of age-related behavioral alterations captured in smartphone touchscreen interactions
Enea Ceolini1, Ruchella Kock1, Guido P H Band1
1Cognitive Psychology Unit, Institute of Psychology, Leiden University, Wassenaarseweg 52, Leiden 2333 AK, the Netherlands.
Iscience
|August 30, 2022
Summary
Smartphone interactions reveal complex aging patterns. While some behaviors decline with age, others improve, challenging the idea of simple cognitive decline and highlighting age-sensitive processes shaping digital behavior.
Area of Science:
- Behavioral neuroscience
- Human-computer interaction
- Gerontology
Background:
- Aging significantly impacts cognitive and behavioral functions.
- Traditional cognitive tests may not fully capture the nuances of age-related behavioral changes.
- Smartphone interactions offer a novel window into real-world behavioral dynamics across the lifespan.
Purpose of the Study:
- To investigate how aging shapes real-world behavioral dynamics using smartphone touchscreen interactions.
- To identify distinct patterns of age-related changes in behavioral dynamics.
- To challenge the conventional view of a uniform behavioral decline with age.
Main Methods:
- Analysis of a large dataset (N=598, 355 million interactions) of smartphone touchscreen interactions from adults aged 16 to 86.
- Clustering of interactions based on their next inter-touch interval dynamics.
- Examination of age-related changes within different behavioral clusters.
Main Results:
- Identified age-related behavioral losses in clusters with short inter-touch intervals (approx. 100 ms).
- Observed age-related behavioral gains in clusters with long inter-touch intervals (approx. 4 s).
- Demonstrated a sophisticated form of behavioral aging with simultaneous acceleration in some dynamics and deceleration in others.
Conclusions:
- Smartphone interaction dynamics reveal that aging is not a monolithic decline but a complex process with varied effects on different behaviors.
- Age-sensitive cognitive and behavioral processes predominantly shape smartphone interaction dynamics.
- This study provides a more nuanced understanding of behavioral aging beyond conventional cognitive assessments.
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