Abstract
SummaryAwareness of one's physiology is an important component of emotion. How might these processes be related to addiction? In a recent issue of Science, Naqvi et al. demonstrated that smoking addiction is disrupted by damage to the insula cortex. This suggests that brain circuits mediating interoception also contribute to craving states.
Highlights
Previews whether similar modulations might be present in other visual areas, possibly even in area V1
Studies using different behavioral paradigms and less demanding behavioral tasks have failed to provide any evidence for clear response category-related responses in inferior temporal cortex, a ventral visual stream region to which V4 projects (Op de Beeck et al, 2001; Baker et al, 2002)
It remains to be seen whether response category information in the visual cortex occurs only after extensive training in rather difficult tasks
Summary
Previews whether similar modulations might be present in other visual areas, possibly even in area V1. In a recent issue of Science, Naqvi et al demonstrated that smoking addiction is disrupted by damage to the insula cortex. Recent research by Naqvi and colleagues (2007) in Science provides strong evidence that interoceptive processes within insula cortex underlie craving associated with nicotine addiction.
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