Related Experiment Video
Updated: May 8, 2026
16:23
Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
Published on: February 26, 2014
The rate of handling information
1a Bell Telephone Laboratories Holmdel , New Jersey.
Journal of Motor Behavior
|August 15, 2013
Summary
This study found that human information transmission rate increases with stimulus complexity, but only to a point. Optimal performance in this human channel study occurred when reaction time was balanced with stimulus presentation rate.
Area of Science:
- Human-computer interaction
- Cognitive psychology
- Information theory
Background:
- The human channel's capacity for information transmission is a key area of study in human-computer interaction.
- Understanding how different stimulus parameters affect this capacity is crucial for designing effective interfaces.
Purpose of the Study:
- To determine the information transmission rate through the human channel using visual stimuli (flashing lights) and motor responses (key presses).
- To investigate the impact of stimulus rate and complexity on information transmission and reaction time.
Main Methods:
- Participants responded to stimuli presented via one to five simultaneously flashing lights by pressing corresponding keys.
- Stimulus presentation rates and the number of possible stimuli were systematically varied.
- Information transmission rate and reaction time were measured.
Main Results:
- Information transmission rate increased with stimulus rate up to a point of minor errors.
- Increasing the number of stimulus lights (complexity) more than tripled the maximum transmission rate.
- Reaction time increased with stimulus complexity but was independent of stimulus rate.
Conclusions:
- Human information transmission is limited by both stimulus rate and complexity.
- Optimal performance is achieved when stimulus complexity is high and presented at a self-paced or near-optimal forced rate.
- Reaction time is a significant factor in determining maximum information transmission capacity.
More Related Videos
09:23Quantification of Information Encoded by Gene Expression Levels During Lifespan Modulation Under Broad-range Dietary Restriction in C. elegans
Published on: August 16, 2017
09:43Databases to Efficiently Manage Medium Sized, Low Velocity, Multidimensional Data in Tissue Engineering
Published on: November 22, 2019
Related Concept Videos
01:11Hazard Rate
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
02:39The Integrated Rate Law: The Dependence of Concentration on Time
While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
01:02Sample Handling
Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
03:09Measuring Reaction Rates
Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical field in...
01:30Impact of Schemas
Schemas are cognitive structures that provide a framework for interpreting and organizing social information. They help individuals navigate complex environments by offering expectations about people, events, and behaviors. Schemas influence attention, encoding, and retrieval processes, thereby shaping the entire trajectory of information processing in social contexts.Attention and Cognitive LoadDuring initial attention, schemas function as filters that prioritize schema-consistent information,...
01:30Health Information Technology and Healthcare Information System
Health Information Technology (HIT)
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include: