Detecting stress when performing physical activities is an interesting field that has received
relatively little research interest to date. In this paper, we took a first step towards redressing …

Some people with severe disabilities are confined in a state in which communication is
virtually impossible, being reduced to communicating with their eyes or using sophisticated …

This paper is the first of a two-part study aiming at building a low-cost visible-light eye
tracker (ET) for people with amyotrophic lateral sclerosis (ALS). The whole study comprises …

The analysis of cardiac activity is one of the most common elements for evaluating the state
of a subject, either to control possible health risks, sports performance, stress levels, etc. This …

In this article we present a new low-cost physiological signal acquisition platform in compliance
with Open-Source Hardware philosophy. The device contains an electrocardiography …

Sedentary behavior (SB) is a common problem that may produce health issues in people with
cerebral palsy (CP). When added to a progressive reduction in motor functions over time, …

The study of emotions using multiple channels of EEG represents a widespread practice in
the field of research related to brain computer interfaces (Brain Computer Interfaces). To date, …

Applications involving data acquisition from sensors need samples at a preset frequency
rate, the filtering out of noise and/or analysis of certain frequency components. We propose a …

This work studies the feasibility of using mental attention to access a computer. Brain activity
was measured with an electrode placed at the Fp1 position and the reference on the left ear…

Introduction: This study provides a comprehensive overview of the materials and methods
used to evaluate the effectiveness of the use of biofeedback in the treatment of aggressive …