Author(s)

Ubaldo Enrique Rodríguez de Avila¹, Isaac Campos Braga², Fabíola Rodrigues de França Campos³, Adriano Chiombacanga Nafital⁴

¹Department of Psychology of the Universidad del Magdalena, Santa Marta, Colombia.
²Biomedicine Graduation of Universidade Federal do Rio Grande do Norte, Natal, Brasil.
³Department of Physiotherapy of the Universidade Federal do Rio Grande do Norte, Natal, Brasil.
⁴Department of Biology of the Universidade Pungi, Chimoio, Mozambique.

Attention is a cognitive and psychobiological variable that lacks objective measures in natural contexts of formal learning. However, it can be objectively measured from the heart autonomic activity. In the present study, the validity and reliability of a system for recording heart rate variability are demonstrated. Twelve prototypes were created and paired with standard electrocardiogram. Long segments with cardiac pulse recordings were used within ten minutes. A highly significant correlation index (p < 0.01) and a significantly high Cronbach’s alpha were obtained. In the variance analysis, all data analyzed presented a value of p < 0.05. It is concluded that there is no significant variation between paired systems; therefore, the attention detection system based on heart rate variability is valid and reliable.

Arduino, RR Interval, Heart Rate Variability, Attention

Avila, U. , Braga, I. , Campos, F. and Nafital, A. (2019) Attention Detection System Based on the Variability of Heart Rate. Journal of Sensor Technology, 9, 54-70. doi: 10.4236/jst.2019.94006.