Estimation of cognitive stress through the use of non-intrusive methods

Cerebral palsy (CP) is the most common cause of motor impairment in children and has increased globally. This health problem negatively impacts the quality of a patient's life and the people in their care. The literature reports the use of technological tools developed to support patients' rehabilitation; however, these are intrusive, so they are annoying and can generate stress. This work aims to analyze the existing developments regarding cognitive stress estimation through non-intrusive methods. This study identifies a few developments focused on rehabilitating children with CP by analyzing facial expressions with non-intrusive methods. From the above, the authors propose future lines of work that would eventually support patients with CP.