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The dominant role of functional action representation in object recognition
Long Ni1,2, Ye Liu3,4, Wenyuan Yu1,2
1State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Rd., Chaoyang District, Beijing, 100101, People's Republic of China.
Experimental Brain Research
|November 11, 2018
Summary
Functional action, how to use an object, plays a key role in object recognition. Structural action, how to grasp an object, does not significantly impact recognition, suggesting use-based knowledge is more critical.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Object Recognition
Background:
- Object recognition is influenced by action representations.
- Two distinct action systems exist: functional (how to use) and structural (how to grasp).
- Previous research has not fully differentiated the roles of these systems in object recognition.
Purpose of the Study:
- To investigate the distinct roles of functional and structural action systems in object recognition.
- To determine which action system is more critical for identifying manipulable objects.
Main Methods:
- Employed a priming paradigm using static (photos) and dynamic (video clips) stimuli.
- Used hand gestures depicting functional and structural actions as primes.
- Measured priming effects on object recognition by recording naming latencies.
Main Results:
- A significant action priming effect was observed only for functional action prime-target pairs.
- Object naming was faster when functional action representations were congruent.
- Dynamic stimuli produced a stronger functional action priming effect than static stimuli; no structural action priming effect was found.
Conclusions:
- Functional action representation, concerning object use, is dominant in object recognition.
- Knowledge of how to use an object is a more integral part of its conceptual representation than how to grasp it.
- Behavioral evidence supports the primary role of functional action in recognizing manipulable objects.
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