Brain Mapping 1 Broca Area 1 Broca area 1 Broca's area 1 Cerebral Cortex 1 Deafness 1 Functional Laterality 1 Humans 1 Nerve Net 1 Psycholinguistics 1 Sign Language 1 adult 1 article 1 brain cortex 1 brain mapping 1 comprehension 1 controlled study 1 diagnostic imaging 1 female 1 gesture 1 hearing impaired person 1 hearing impairment 1 hemispheric dominance 1 human 1 human experiment 1 language network 1 male 1 meta analysis 1 meta-analysis 1 modality-independence