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Thought to Text Conversion Using Deep Learning
Published in Durgesh Kumar Mishra, Nilanjan Dey, Bharat Singh Deora, Amit Joshi, ICT for Competitive Strategies, 2020
Swapnil Mane, Tiasha Nath, Shobin Thomas, Omkar Swami, Pranali Choudhari, Smita Chopde
Muse headband supports low energy Bluetooth so for streaming and acquiring the data MUSE LSL or MUSE lab stream or MUSE monitor was used to get the Raw EEG Signal (Alpha, Beta, Delta, Theta) After which different feature algorithm and classifier will be used to check the performance. A positive event-related potential (ERP) P300 that occurs around 300ms after getting an unexpected stimulus. P300 may be a higher-level cognitive processing, for example, conscious attention. [John Griffiths] The N170 happens around 170ms after face perception and T5 and T6 are the lateral electrodes. A large negative event-related potential (ERP) component N170 that happens after the detection of faces, but not on objects, scrambled faces, or other body parts.
Cortical processing of human and emoji faces: an ERP analysis
Published in Behaviour & Information Technology, 2020
Carlos Gantiva, Miguel Sotaquirá, Andrés Araujo, Paula Cuervo
The N170 component is a negative ERP that originates in the occipito-temporal cortex and peaks at approximately 170 ms. N170 is sensitive to faces and related to the structural encoding and recognition of individual features of faces (Gosling and Eimer 2011; Liu, Harris, and Kanwisher 2002; Mühlberger et al. 2009). There are still some discrepancies with regard to the effects of emotional expressions on the amplitude and latency of the N170 component. Some studies have found no differences in N170 between emotional facial expressions (Schupp et al. 2004; Smith et al. 2013), whereas other studies observed changes in the N170 amplitude and latency in response to emotional expressions (Batty and Taylor 2003; Bonilla and Leongómez 2017; daSilva, Crager, and Puce 2016).
P300 brain-computer interface: comparing faces to size matched non-face stimuli
Published in Brain-Computer Interfaces, 2018
M. R. Kellicut-Jones, E. W. Sellers
Different positive and negative ERPs are produced in response to different stimuli and events. The N170 and N400 components are two negative components that are considered to contribute to recognition and processing of faces. The N170 occurs around approximately 170 ms at the lateral temporal electrode sites following the presentation of facial stimuli [5–7]. The N400 occurs approximately between 200 ms and 600 ms [8] over the right hemisphere electrode sites. These components have been observed using unaltered facial images, inverted facial images, and even dummy faces [9,10].