What is it about brain matter that gives rise to consciousness? In particular, the neuronal correlates of consciousness (NCC) - the minimal neuronal mechanisms jointly sufficient for any conscious experience.
Consider this question: What must happen in your brain for you to experience a toothache?
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A 2017 study found that NDEs were recalled with greater clarity and detail than either real or imagined situations were. In other words, NDEs were remembered as being more real than life itself.
NDEs are no more likely to occur in devout believers than in secular or nonpracticing subjects.
When you are at a concert and you get to the part with a refrain from your favorite song, you are swept up in the music. The performers and audience seem to be moving as one.
The synchrony between the brain activity of a performer and his audience shows insights into the nature of musical exchanges: we dance and feel the same emotions together, and our neurons fire together as well. This is especially true when it comes to the more popular performances.
Synchronous brain activity was localized in the left hemisphere of the brain (temporal-parietal junction). This area is important for empathy, the understanding of others’ thoughts and intentions, and verbal working memory used for expressing thought.
The right brain hemisphere is most often associated with the interpretation of musical melody.
In the right hemisphere, synchronization is localized to areas involved in recognizing musical structure and pattern (the inferior frontal cortex) and interpersonal understanding (the inferior frontal and postcentral cortices).
Sigmund Freud and Carl Jung put forth some of the most well-known theories of dreaming.
Recent studies suggest we employ the same neurophysiological mechanisms while dreaming that we use to construct and recall memories while we are awake.
Studies also found that vivid, bizarre and emotionally intense dreams are linked to parts of the amygdala and hippocampus. The amygdala plays a key role in processing and memory of emotional reactions. The hippocampus is implicated in important memory functions, such as the consolidation of information from short-term to long-term memory.
Dreams seem to help us to process emotions by constructing memories of them. The experience in our dreams may not be real, but the emotions we experience are real.
Our dream stories try to strip emotion out of some experiences by creating a memory of it. This mechanism seems to fulfil an important role because it helps us process our emotions.
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