Related Experiment Video
Updated: Jul 4, 2026
12:12
Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm
Published on: May 14, 2014
9.9K
Control of stimulus set and response set in task switching
1School of Psychology, Keele University.
Journal of Experimental Psychology. Learning, Memory, and Cognition
|February 27, 2025
Summary
Cognitive control involves managing both response sets and stimulus sets. This study found these sets can update independently, but prioritization can limit this independence.
Area of Science:
- Cognitive psychology
- Neuroscience
- Human-computer interaction
Background:
- Goal-directed behavior relies on selecting correct responses and objects.
- Task-switching research often focuses on response sets, neglecting stimulus sets.
- Understanding task-set representation is crucial for cognitive control.
Purpose of the Study:
- Investigate the independent updating of stimulus sets and response sets.
- Examine the structure of task-set representation in cognitive control.
- Test predictions from the executive control of the theory of visual attention model.
Main Methods:
- Employed a task-switching paradigm with multiple stimuli.
- Manipulated independent repetition or switching of stimulus and response sets.
- Conducted seven experiments to evaluate task-set component independence.
Main Results:
- Confirmed independent and parallel reconfiguration of stimulus and response sets.
- Observed an underadditive interaction between stimulus-set and response-set sequences.
- Identified limitations to independent updating when component-specific preparation was manipulated.
Conclusions:
- Stimulus and response sets can be updated independently, supporting parallel reconfiguration.
- Selective preparation can limit the independent updating of task-set components.
- Results inform theories on the structure of task-set representation in cognitive control.
Related Concept Videos
01:22Activation and Inactivation of G Proteins
Heterotrimeric G proteins are guanine nucleotide-binding proteins. As the name suggests, heterotrimeric G proteins are composed of three subunits: alpha, beta, and gamma. They remain GDP-bound or GTP-bound inside the cells and switch between inactive/active states. The Gα subunit possesses the nucleotide-binding pocket that binds guanine nucleotides and switches between GDP or GTP-bound states. In contrast, the Gꞵ and Gγ subunits are always bound together with high affinity and are together...
01:30Transducer Mechanism: G Protein–Coupled Receptors
G Protein–Coupled Receptors (GPCRs) are membrane-bound receptors that transiently associate with heterotrimeric G proteins and induce an appropriate response to various stimuli. GPCRs regulate critical physiological pathways and are excellent drug targets for treating diseases such as diabetes, cancer, obesity, depression, or Alzheimer's. Nearly 35% of approved drugs implement their therapeutic effects by selectively interacting with specific GPCRs.
GPCRs are also called heptahelical, 7TM, or...
GPCRs are also called heptahelical, 7TM, or...
01:28Action Potential: Phases of Stimulation
The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics.
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
01:21Brainstem: Control Centers of Medulla
The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...