Abstract
Udo Eversheim and Otmar Bock use dual-task loading during visuomotor adaptation and find different resource profiles across acquisition — supporting staged models including Fitts-style cognitive-to-autonomous progression.
Eversheim, U., & Bock, O. (2001). Learning & Memory, 8(4), 183–189. DOI
Key findings
- Stage-wise resources — Spatial-attention loads dominate early; movement-preparation loads rise later.
- Processing stages — Interference pattern changes over practice — not a flat learning curve.
- Model alignment — Data fit cognitive · motor · autonomous stage accounts from Fitts and successors.
Limits
Sensorimotor tracking paradigm — generalisation to declarative or business skills is analogical.
Application
When learning feels mentally heavy then physically repetitive, expect stage shifts — change practice design instead of judging slowness as failure. See Four stages of competence.