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When people entering anechoic chambers, logically there is a sensation of silence because relatively speaking, the sound levels are much lower compared to some normal baseline

Likewise, when there is emotional numbness there isn't a feeling of emotions nor there is an awareness that there isn't a feeling of emotion and the person will struggle to describe or comprehend emotion adjectives

Also for some people in anesthetics, they shared about what it is like to feel the consciousness is fading

All of these caused me to become curious on what the literature know about the neuroscience such as brain activity when subjects experience these feelings like feeling numb, feeling empty, feeling consciousness is fading, or all at the same time. Unfortunately neither my neuroscience professors are aware of something similar in the literature, nor intense googling on google scholar found any brain activity studies when people felt numb or something stronger

What is the technical name for all these seemly neutral emotions and (lack of) sensations?

Any known famous papers or literature that study the neuroactivity when subjects are experiencing these emotions?

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  • $\begingroup$ reminds me of a buddhist concept, and note meditation is increasingly being subject to some scientific study en.wikipedia.org/wiki/%C5%9A%C5%ABnyat%C4%81 $\endgroup$
    – vzn
    Aug 16 '18 at 17:45
  • $\begingroup$ As been stated by Chalmondley, your question seems to cover several different psychological states/traits. Regarding the experience of lacking emotions, it's commonly described in clinical terms as alexithymia. Dissociation can include - but cannot be reduced to - alexithymia. $\endgroup$
    – user15909
    Jan 14 '19 at 18:47

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