Effective cerebral connectivity during silent speech reading revealed by functional magnetic resonance imaging

• Published in: PloS one Vol. 8; no. 11; p. e80265
• Main Authors: Chu, Ying-Hua, Lin, Fa-Hsuan, Chou, Yu-Jen, Tsai, Kevin W-K, Kuo, Wen-Jui, Jääskeläinen, Iiro P
• Format: Journal Article
• Language: English
• Published: United States Public Library of Science 21.11.2013; Public Library of Science (PLoS)
• Subjects: Adult; Articulation (speech); Biomedical engineering; Brain; Brain - physiology; Cortex (auditory); Cortex (frontal); Cortex (motor); Cortex (premotor); Cortex (somatosensory); Cortex (temporal); Engineering; Feedback; Female; Finnish language; Functional magnetic resonance imaging; Hemodynamics; Humans; Information flow; Information management; Information processing; Language; Lipreading; Magnetic resonance; Magnetic resonance imaging; Magnetic Resonance Imaging - methods; Male; Mathematical models; Medical imaging; Neural networks; Neuroimaging; Neurology; NMR; Nuclear magnetic resonance; Phonetics; Prefrontal cortex; Reading; Resonance; Somatosensory cortex; Speech; Speech motor control; Speech perception; Speech processing; Studies; Superior temporal gyrus; Temporal cortex; Temporal gyrus; Temporal lobe; Visual cortex; Vowels; Young Adult

Seeing the articulatory gestures of the speaker ("speech reading") enhances speech perception especially in noisy conditions. Recent neuroimaging studies tentatively suggest that speech reading activates speech motor system, which then influences superior-posterior temporal lobe auditory a...