Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Operational Amplifiers01:17

Operational Amplifiers

2.0K
The operational amplifier, often referred to as an op-amp, is a multifaceted building block of a circuit. This electronic component functions like a voltage-controlled voltage source and can also be used to create a voltage- or current-controlled current source. The design of an operational amplifier enables it to execute mathematical operations when external components like resistors and capacitors are linked to its terminals. An op-amp has the capacity to sum signals, amplify a signal,...
2.0K
MOSFET Amplifiers01:17

MOSFET Amplifiers

523
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
523
BJT Amplifiers01:14

BJT Amplifiers

984
Bipolar Junction Transistors (BJTs) are pivotal components in amplifier circuits, functioning as voltage-controlled current sources in their active region. This characteristic allows them to efficiently control the collector current through variations in the base-emitter voltage. Essentially, BJTs amplify power due to their ability to take a weak input signal and output a much stronger signal.
In BJT amplifier configurations, particularly in common-emitter setups, the transistor's role...
984
Instrumentation Amplifier01:25

Instrumentation Amplifier

1.1K
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
1.1K
Decision Making01:20

Decision Making

970
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
970
Amplifying Signals via Second Messengers01:15

Amplifying Signals via Second Messengers

8.7K
Many receptor binding ligands are hydrophilic; they do not cross the cell membrane but bind to cell-surface receptors. Thus, their message must be relayed by second messengers present in the cell cytoplasm. There are several second messenger pathways, each with its own way of relaying information. For example, the G protein-coupled receptors can activate both phosphoinositol and cyclic AMP (cAMP) second messenger pathways. The phosphoinositol pathway is active when the receptor induces...
8.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A new species of <i>Microeledone</i> from Galápagos Islands and an amended diagnosis of the Megaleledonidae (Octopoda: Incirrata).

Zootaxa·2026
Same author

A new fossil locality in the Late Permian Zewan Formation reveals evidence of marine chondrichthyan in Kashmir Himalaya.

Anatomical record (Hoboken, N.J. : 2007)·2026
Same author

Delayed reward information is underweighted in reinforcement learning with dispersed feedback.

PLoS computational biology·2026
Same author

Attentional biases in self-control are associated with reward cue-related brain activity.

Social cognitive and affective neuroscience·2026
Same author

Elliptic Fourier analysis as a tool for the taxonomic identification of isolated theropod pedal phalanges.

Anatomical record (Hoboken, N.J. : 2007)·2026
Same author

A holistic survey of small mammal diversity across an iconic Madrean Sky Island (Santa Catalina Mountains, Arizona, USA).

bioRxiv : the preprint server for biology·2026

Related Experiment Video

Updated: Feb 1, 2026

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
13:40

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking

Published on: December 16, 2010

17.2K

Gaze Amplifies Value in Decision Making.

Stephanie M Smith1, Ian Krajbich1,2

  • 11 Department of Psychology, The Ohio State University.

Psychological Science
|December 12, 2018
PubMed
Summary
This summary is machine-generated.

Attention amplifies the subjective value of choices, influencing decisions and response times. This effect is stronger with familiar items than learned ones.

Keywords:
attentioncomputational modelingdecision makingdrift-diffusion modeleye tracking

More Related Videos

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

948
Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

11.5K

Related Experiment Videos

Last Updated: Feb 1, 2026

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
13:40

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking

Published on: December 16, 2010

17.2K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

948
Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

11.5K

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Decision Science

Background:

  • People often favor options they view more.
  • The precise role of attention in decision-making remains unclear: does it boost value or add bias?

Purpose of the Study:

  • To investigate how attention, measured by gaze, interacts with option value during choice.
  • To determine if attention amplifies subjective value or introduces a bias.

Main Methods:

  • Analysis of choice data from six eye-tracking studies.
  • Examining the relationship between gaze patterns and choice outcomes.
  • Assessing the influence of option values on response times and gaze-choice correlations.

Main Results:

  • Summed option values significantly impacted response times across all datasets.
  • Gaze influenced choice correlations in most datasets, supporting attention's amplifying role.
  • The amplifying effect of attention was more pronounced with familiar stimuli in large sets compared to learned stimuli in small sets.

Conclusions:

  • Attention appears to amplify the subjective value of attended options during decision-making.
  • The magnitude of attention's amplifying effect varies depending on the nature and set size of stimuli.