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Most people have experienced a sensation where while being in a situation, event, or place, we feel as if we have already experienced the same. This sensation is called déjà vu, meaning ‘already seen’ in french.
Some say these are false memories or a past-life remembrance. Others state that it is a short circuit in our brain or some activity in the ‘rhinal cortex’ of the brain.
Scientists have studied this phenomenon in the lab using hypnosis and virtual reality, concluding it to be related to memory, where we experience a feeling of familiarity as the new experience seems to be traced according to an old memory.
A new study using MRI scans suggested that déjà vu is related to decision making, and the brain may be trying to resolve a conflict in the memory index.
SIMILAR ARTICLES & IDEAS:
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.
NDEs are triggered during a life-threatening situation when the body is injured by blunt trauma, e.g., a heart attack or shock.
Many survivors tell of leaving their damaged...
Not all NDEs are positive - some can be frightening, with intense terror, anguish, loneliness, and despair. Distressing NDEs are underreported because of shame, social stigma, and pressure to conform to the positive NDEs.
A close encounter with death reminds us of the fragility of life and can reveal the layers of psychological suppression that prevents us from these uncomfortable thoughts.
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.
Consciousness is everything you experience - taste, pain, love, feeling. Where these experiences come from is a mystery.
Many modern analytic philosophers of mind either d...
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?
The whole brain can be considered an NCC because it generates experience continually.