[killerstorm]

I think people are just confusing cause and effect here.

Anxiety triggers release of hormones like adrenaline and cortisol, which trigger a host of physical symptoms ranging from cold hands (reduced blood flow in extremities) to upset stomach, nausea, increased heart rate, etc.

Brain can anticipate these changes and associate anxiety with the effects of these hormones. There might be all sorts of interesting interactions, but saying that gut is responsible for processing of these feelings is definitely a stretch.

Another physical reaction which is associated with an emotion is blushing. But somehow nobody is talking about face skin taking control...

[justonceokay]

Yes actually in my experience the physical feelings concomitant with anxiety often make the mental feelings of worry and dread much worse. If anything the author sounds like they are conflating having bad feelings for “processing”.