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Contingency learning and episodic contributions to the item-specific proportion congruent effect.
David Gallego1, Castor Méndez1, Luis Jiménez1
1Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
Quarterly Journal of Experimental Psychology (2006)
|October 11, 2023
Summary
Cognitive control effects, specifically the item-specific proportion congruent (ISPC) effect, arise from a combination of cognitive control, associative learning, and episodic retrieval, challenging previous learning-only explanations.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Behavior
Background:
- The conflict adaptation account of cognitive control is challenged by learning/memory processes.
- Item-specific proportion congruent (ISPC) effects were previously attributed to contingency learning (CL).
- Recent theories suggest CL may be explained by episodic retrieval, not associative learning.
Purpose of the Study:
- To investigate the independent roles of contingency learning (CL) and episodic retrieval in the ISPC effect.
- To analyze the interplay between learning and recency in the color-word CL paradigm.
- To determine the contribution of cognitive control, associative learning, and episodic effects to the ISPC effect.
Main Methods:
- Experiment 1: Assessed control modulation and the independent effects of CL and episodic factors.
- Experiments 2 & 3: Extended the study to the color-word CL paradigm, comparing color words and neutral words.
- Utilized a paradigm designed to independently manipulate contingency learning and episodic retrieval.
Main Results:
- Experiment 1 showed no control modulation but indicated CL is modulated by episodic factors while remaining significant.
- Experiments 2 & 3 found larger contingency effects for color words versus neutral words.
- These experiments replicated the interaction between CL and episodic retrieval and revealed control modulation independent of contingency and recency for color words.
Conclusions:
- The ISPC effect is not solely driven by learning but results from the combined influence of cognitive control, associative learning, and episodic retrieval.
- Contingency learning is influenced by episodic factors, but associative learning remains a significant component.
- Cognitive control modulation can occur independently of contingency and recency effects, particularly in tasks involving color words.
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