FUNCTION 



STRUCTURES 



MODULATOR 



Orient 



Superior parietal Acetylcholine 



Temporal parietal junction 

 Frontal eye fields 

 Superior colliculus 



Alert 



Locus Coeruleus Norepinephrine 



Right frontal and parietal 



cortex 



Executive attention Anterior cingulate Dopamine 



Lateral ventral prefrontal 



Basal ganglia 



Fig. 7. The three attention networks and the anatomical structures that are the 

 source of their influence and the neurochemical modulator shown to be dominant for 

 each network. 



Infants (a) 



Adults (b) 



Segment Time {ms) 



Segment Time (ms) 



Fig. 8. When seeing errors, 7-month-old infants show an increase in negativity 

 in comparison with seeing the correct answer (a). This difference is similar although 

 it occcurs a bit later than that found in adults (b) and comes from the anterior cin- 

 gulate (Berger et al.. 2006). 



12 



