title: Dorsal and ventral parietal contributions to spatial orienting in the human brain.
abstract: Influential functional magnetic resonance imaging (fMRI)-based models have involved a dorsal frontoparietal network in the orienting of both endogenous and exogenous attention, and a ventral system in attentional reorienting to task-relevant events. Nonetheless, given the low temporal resolution and susceptibility to epiphenomenal activations of fMRI, such depictions remain highly debated. We hereby benefited from the high temporal resolution and causal power of event-related transcranial magnetic stimulation to explore the implications of key dorsal and ventral parietal regions in those two types of attention. We provide for the first time causal evidence of right intraparietal sulcus involvement in both types of attentional orienting, while we link the temporoparietal junction with the orienting of exogenous but not endogenous spatial attention.
authors.affiliation: INSERM-U975, Centre de Recherche de l'Institut du Cerveau et de la Moëlle Epinière and Université Pierre et Marie Curie, Groupe Hospitalier Pitié-Salpêtrière, F-75013 Paris, France. anachica@ugr.es
authors.forename: Ana B
authors.initials: AB
authors.lastname: Chica
authors.forename: Paolo
authors.initials: P
authors.lastname: Bartolomeo
authors.forename: Antoni
authors.initials: A
authors.lastname: Valero-Cabré
mesh_terms: D000328:Adult; D001288:Attention / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009949:Orientation / Q000502:physiology*; D010296:Parietal Lobe / Q000502:physiology*; D010775:Photic Stimulation; D011597:Psychomotor Performance; D011930:Reaction Time / Q000502:physiology; D013028:Space Perception / Q000502:physiology*; D050781:Transcranial Magnetic Stimulation / Q000379:methods*