Related Experiment Video
Updated: Oct 15, 2025
12:12
Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm
Published on: May 14, 2014
10.7K
Representing action in terms of what not to do: Evidence for inhibitory coding during multiple action control
1Institute of Psychology, University of Würzburg.
Journal of Experimental Psychology. Human Perception and Performance
|October 25, 2021
Summary
Dual-action benefits, where performing two actions simultaneously improves performance, challenge traditional cognitive theories. This study supports a novel inhibitory coding framework, suggesting actions can be represented by what not to do, enabling mental flexibility.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human-Computer Interaction
Background:
- Performing multiple actions concurrently often incurs performance costs.
- Recent findings suggest dual-action benefits, contradicting established multiple-action control theories.
- Existing explanations involve costly inhibition of unintended actions.
Purpose of the Study:
- To test the hypothesis that performing single actions requires inhibiting unintended actions.
- To investigate an alternative inhibitory coding account where actions are represented by what not to do.
- To explore the cognitive representation of dual responses in manual and vocal domains.
Main Methods:
- Four experiments were conducted manipulating the relative frequency of single and dual responses.
- Participants responded to stimuli using both manual and vocal actions.
- Response times and error rates were systematically analyzed.
Main Results:
- Robust dual-action benefits were observed in manual response times and error rates.
- The experimental results strongly supported the inhibitory coding framework over the standard account.
- Evidence suggests dual responses can be represented holistically (noncompositionally).
Conclusions:
- The findings demonstrate significant flexibility in how the brain represents behavioral demands.
- An inhibitory coding account provides a better explanation for dual-action benefits.
- Cognitive representations of actions are not always compositional.
Related Concept Videos
00:46Feedback Inhibition
55.6K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
55.6K
01:24Muscle Coordination and Action
2.3K
Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
2.3K
01:23Propagation of Action Potentials
7.5K
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
7.5K
01:06Fixed Action Patterns
16.6K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
16.6K
01:18Hierarchy of Motor Control
4.1K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
4.1K
01:18Indirect-Acting Cholinergic Agonists: Mechanism of Action
2.1K
Indirect-acting cholinergic agonists work by interacting with an enzyme called acetylcholinesterase (AChE) in the synaptic cleft. They can be reversible or irreversible inhibitors and have different effects on the enzyme.
Reversible inhibitors like edrophonium bind to a specific part of the enzyme called the anionic catalytic site. They form noncovalent bonds, which means they are not strongly attached to the enzyme. This creates a temporary and less stable enzyme–inhibitor complex,...
Reversible inhibitors like edrophonium bind to a specific part of the enzyme called the anionic catalytic site. They form noncovalent bonds, which means they are not strongly attached to the enzyme. This creates a temporary and less stable enzyme–inhibitor complex,...
2.1K