Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Facial Feedback Hypothesis

Facial Feedback Hypothesis

Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...

You might also read

Related Articles

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

Sort by

Same author

Antiviral activity of SA-2 against influenza A virus in vitro/vivo and its inhibition of RNA polymerase.

Antiviral research·2016

Same author

Occurrence, distribution and source apportionment of polychlorinated naphthalenes (PCNs) in sediments and soils from the Liaohe River Basin, China.

Environmental pollution (Barking, Essex : 1987)·2016

Same author

High level of microsynteny and purifying selection affect the evolution of WRKY family in Gramineae.

Development genes and evolution·2016

Same author

Mutational Analysis of Glycogen Synthase Kinase 3β Protein Kinase Together with Kinome-Wide Binding and Stability Studies Suggests Context-Dependent Recognition of Kinases by the Chaperone Heat Shock Protein 90.

Molecular and cellular biology·2016

Same author

Incidence and mortality rate of esophageal cancer has decreased during past 40 years in Hebei Province, China.

Chinese journal of cancer research = Chung-kuo yen cheng yen chiu·2016

Same author

Bulk pancreatic cancer cells can convert into cancer stem cells(CSCs) in vitro and 2 compounds can target these CSCs.

Cell cycle (Georgetown, Tex.)·2015

Search research articles

Related Experiment Video

Updated: Dec 30, 2025

Assessment and Communication for People with Disorders of Consciousness

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

Developing a Novel Tactile P300 Brain-Computer Interface With a Cheeks-Stim Paradigm.

Jing Jin, Zongmei Chen, Ren Xu

IEEE Transactions on Bio-Medical Engineering

|January 16, 2020

Summary

This summary is machine-generated.

A new tactile brain-computer interface (BCI) using cheek stimulation shows improved accuracy and user preference over wrist-based systems. This novel P300 potential BCI offers better communication for individuals with visual impairments.

More Related Videos

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Published on: January 29, 2014

A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare

A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare

Published on: July 7, 2023

Related Experiment Videos

Last Updated: Dec 30, 2025

Assessment and Communication for People with Disorders of Consciousness

Assessment and Communication for People with Disorders of Consciousness

Published on: August 1, 2017

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Published on: January 29, 2014

A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare

A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare

Published on: July 7, 2023

Area of Science:

Biomedical Engineering
Neuroscience
Human-Computer Interaction

Background:

Tactile brain-computer interfaces (BCIs) offer communication and control solutions for individuals with visual or eye movement impairments.
The P300 potential is a common modality in tactile BCIs, with stimuli typically delivered to various body locations.
Existing tactile P300 BCIs have limitations in stimulation methods.

Purpose of the Study:

To introduce and evaluate a novel tactile P300 BCI paradigm using vibrotactile stimuli delivered to the cheeks.
To compare the performance of the novel cheek-stimulation paradigm against a traditional wrist-stimulation paradigm.

Main Methods:

A new tactile P300 BCI paradigm was developed, delivering spatial target vibrotactile stimuli to the subjects' left and right cheeks.
A traditional tactile P300 BCI paradigm using vibrotactile stimuli on the wrists served as a comparative control.
Experiments were conducted with nine healthy subjects to assess performance and user feedback.

Main Results:

The novel cheek-stimulation paradigm achieved significantly higher classification accuracy compared to the traditional wrist-stimulation paradigm (p < 0.05).
The information transfer rate was significantly higher with the proposed cheek-stimulation BCI (p < 0.05).
Subjects reported a preference for the new paradigm, finding it easier to distinguish targets from non-targets.

Conclusions:

The proposed tactile P300 BCI paradigm utilizing cheek stimulation is feasible and demonstrates superior performance.
The new paradigm offers improved accuracy and a better user experience compared to traditional methods.
This advancement holds potential for wider applications of tactile BCIs.