It is not known whether the effect of insular damage is analogous to the effect of vmPFC damage, or whether these regions contribute differentially to choice behaviour.
Many of these studies additionally demonstrate correlations between inflammation-induced changes in insular function and behavioral effects, including fatigue (13) and experience of social exclusion pain (53).
A well-accepted reason for these invasive vertebrates causing such ecosystem-changing effects in insular environments stems from the absence of similar native vertebrate species, and therefore includes the novel behaviours that are characteristic of such invasive herbivores (e.g. chewing, rooting, trampling).
This expansion of the feeding niche can characterize entire island communities, a phenomena coined 'interaction release' and that tends to have a stabilizing effect on insular interaction networks (Traveset et al. 2015 a ).
The detrimental effect of insular cortex damage on emotional decision-making is also predicted by the Somatic Marker hypothesis (Damasio, 1994; Bechara and Damasio, 2005), which posits a crucial role for the insular cortex in holding the representations of bodily states associated with different choice options.
In contrast, another study on patients with insular lesions found more heterogeneous effects of pain and temperature perception and argued for a modulatory role of the insula in connection with these qualities (Starr et al. 2009).
Gene flow between insular populations can mitigate these effects (MacArthur and Wilson 1967; Brown and Kodric-Brown 1977; Couvet 2002; Chiucchi and Gibbs 2010) by counteracting the negative effects of genetic drift and inbreeding (Keller et al. 2001; Ebert et al. 2002) and thus plays a crucial role in the persistence of natural populations (Bohonak 1999; Lenormand 2002).
Mr. Nicholson's style may have raised eyebrows, Mr. Hays, said, but it also had a "democratizing" effect on the insular world of art collecting.
The stability of V. komodoensis body size over a long temporal sequence and during periods of major ecological change implies that insular evolutionary processes had limited effect, and more importantly illustrate the adaptive flexibility and resilience of a generalist carnivore, rather than a specialist predator of the island's pygmy Stegodon.
Similar to the cingulate cortex, ANOVA of the agranular insular cortex revealed a significant effect of DOSE (F 3,36) = 190.12, P < 0.0001), and STRAIN (F 3,36) = 75.22, P = 0.002), as well as a significant DOSE × STRAIN interaction (F 3,36) = 67.32, P < 0.0001).
