The LPL is roughly compound of 83 permanent staff and more than 70 doctoral students. The LPL is a leader of the Brain and Language Research Institute (BLRI), a “Labex” (Laboratoire d’Excellence) created in 2012 under the auspices of the “Investissement d’Avenir” French government program. This Labex is part of the A*MIDEX excellence site (Aix-Marseille Université), and it aims at understanding and modeling language processing by bringing together knowledge in linguistics, neurosciences, medicine, psychology and computer science. The current LPL research activities center on linguistic systems as sets of resources employed by talkers in their interactions with others. A major objective is to characterize how linguistic structures are shaped by the talkers’ physical and social environments, their sensorimotor and cognitive apparatus, their social skills, and the individual trajectories they have followed in language acquisition. Experimental studies are combined with investigations on multimodal large-scale databases.