Digging through more info to see if there's a relationship between RH and a ventral vagal state. I understand from previous studies that fear and anger can narrow focus - reduce the available information that can be considered from the perceptive field and fear and anger could most likely be sympathetically driven from the perspective of PVT.
Deb Dana says that her clients report an expansion in their peripheral field of view when she helps them access a ventral vagal state. McGilchrist says that left hemisphere concentrates on particular focal details and right hemisphere has a more wholistic perception. Not sure yet, but that might mean that RH has a relationship to a ventral vagal state. Looked up some peripheral vision exercises as I thought that along the lines of Porges Safe and Sound Protocol that works on the acoustic pathways to vagal toning, there might be some visual pathways given that Dana uses nature films without the sound to similar effect. So, does being in nature prompt more peripheral vision attention? This article suggests that peripheral vision exercises might stimulate the release of acetylcholine (controls the heart rate) - I haven't yet found anything else to confirm that.
Porges states that an emergent property of a ventral vagal state is greater prosody and intonation of voice. McGilchrist says (in this video that's worthwhile watching for a lot of reasons given his fascinating work - How our brains turned fools woke) that in RH damaged people where the LH is predominant, they cannot take into account differences in intonation and adjust contextual perception to take that information into account. He gives the example of saying the word 'yes' in different moods, eg. how a yes sounds if you really don't want to do something, how a resigned yes sounds, how an exuberant yes sounds, how a victorious yes sounds, etc. The RH can take in the additional contextual information, but the LH will only hear the word yes without the additional contextual information.
Deb Dana says that her clients report an expansion in their peripheral field of view when she helps them access a ventral vagal state. McGilchrist says that left hemisphere concentrates on particular focal details and right hemisphere has a more wholistic perception. Not sure yet, but that might mean that RH has a relationship to a ventral vagal state. Looked up some peripheral vision exercises as I thought that along the lines of Porges Safe and Sound Protocol that works on the acoustic pathways to vagal toning, there might be some visual pathways given that Dana uses nature films without the sound to similar effect. So, does being in nature prompt more peripheral vision attention? This article suggests that peripheral vision exercises might stimulate the release of acetylcholine (controls the heart rate) - I haven't yet found anything else to confirm that.
Porges states that an emergent property of a ventral vagal state is greater prosody and intonation of voice. McGilchrist says (in this video that's worthwhile watching for a lot of reasons given his fascinating work - How our brains turned fools woke) that in RH damaged people where the LH is predominant, they cannot take into account differences in intonation and adjust contextual perception to take that information into account. He gives the example of saying the word 'yes' in different moods, eg. how a yes sounds if you really don't want to do something, how a resigned yes sounds, how an exuberant yes sounds, how a victorious yes sounds, etc. The RH can take in the additional contextual information, but the LH will only hear the word yes without the additional contextual information.