Abstract:
:Neurons in the midbrain superior colliculus (SC) have the ability to integrate information from different senses to profoundly increase their sensitivity to external events. This not only enhances an organism's ability to detect and localize these events, but to program appropriate motor responses to them. The survival value of this process of multisensory integration is self-evident, and its physiological and behavioral manifestations have been studied extensively in adult and developing cats and monkeys. These studies have revealed, that contrary to expectations based on some developmental theories this process is not present in the newborn's brain. The data show that is acquired only gradually during postnatal life as a consequence of at least two factors: the maturation of cooperative interactions between association cortex and the SC, and extensive experience with cross-modal cues. Using these factors, the brain is able to craft the underlying neural circuits and the fundamental principles that govern multisensory integration so that they are adapted to the ecological circumstances in which they will be used.
journal_name
Prog Brain Resjournal_title
Progress in brain researchauthors
Stein BE,Rowland BAdoi
10.1016/B978-0-444-53752-2.00007-2subject
Has Abstractpub_date
2011-01-01 00:00:00pages
145-63eissn
0079-6123issn
1875-7855pii
B978-0-444-53752-2.00007-2journal_volume
191pub_type
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