Table 1 Studies with potential users employing quantitative research methods

Ahn et al., 2014 [12]

active and reactive BCIs

high potential of BCI; most potential fields: rehabilitation, prosthesis, gaming

Blabe et al., 2015 [100]

communication

ease of use, high performance, little maintenance, decent aesthetics

Collinger et al., 2013 [101]

arm/hand and bladder/bowel function

independent use, convenient use, non-invasiveness, functions, costs, set-up time

Huggins et al., 2011 [88]

high, even for implants

accuracy, speed, simplicity, standby mode

Huggins et al., 2015 [102]

high among persons with low functional independence

dry electrodes

better speed and set-up time

Lahr et al., 2015 [103]

high, even for implants

knowledge about risks/rewards

Kageyama et al., 2014 [89]

depending on severity of disease

communication

various control functions (TV, bed, emergency alarm)

Pedrocchi et al., 2013 [104]

improve autonomy, home use, ease of use, be light and wearable

van de Laar et al., 2013 [30]

testing control settings

Vuckovic/ Osuagwu, 2013 [31]

strategies for selecting promising BCIs

Zickler et al., 2009 [105]

functionality, independence (mobility, daily life activities, employment, ease of use)