1990
DOI: 10.1136/bjo.74.4.255-a
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Human Brain Electrophysiology: Evoked Potentials and Evoked Magnetic Fields in Science and Medicine

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Cited by 52 publications
(31 citation statements)
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“…When somatosensory stimulations are applied for SSSEP-based BCI, each subject could have different vibration frequency ranges to maximize brain activities shown as the highest power spectrum amplitude near the stimulation frequencies [24]. The frequency is called a resonance-like frequency [25].…”
Section: Methodsmentioning
confidence: 99%
“…When somatosensory stimulations are applied for SSSEP-based BCI, each subject could have different vibration frequency ranges to maximize brain activities shown as the highest power spectrum amplitude near the stimulation frequencies [24]. The frequency is called a resonance-like frequency [25].…”
Section: Methodsmentioning
confidence: 99%
“…O ato de um usuário concentrar sua atenção em um dos estímulos visuais possibilita a detecção, através de análise dos sinais elétricos no escalpo, de oscilações na região do córtex visual com a mesma frequência do estímulo visual ou em suas harmônicas, tendo estas oscilações uma relação sinal-ruído que pode ser considerada boa [4].…”
Section: Potenciais Visualmente Evocados Em Regimeunclassified
“…Different stimuli have been used for SSVEP BCI-based applications, as reviewed by [14]. The same review also revealed that stimulation frequencies in the low (1-12 Hz) and medium (12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30) Hz) frequency band have been more often applied than those in the high frequency band (30-60 Hz). The first is graphic alternation, in which a simple form (circle, rectangles) is successively displayed and hidden at the preferred frequency.…”
Section: Related Workmentioning
confidence: 99%
“…The chosen colors should also present a good contrast with the white background (as luminosity contrast is known to be essential to SSVEP responses [22]), that is, a similar level of gray. In the 'colored' condition, the frequencies of the stimuli were the same, but they were each associated with a specific color, and flickered between white and this color.…”
Section: Designmentioning
confidence: 99%