Déjà vu is a phenomenon where an individual feels like they have experienced the current situation or event before, even though they know it is not possible. It is a feeling of familiarity with the present moment that is not based on actual memories.
The exact cause of déjà vu is not fully understood, and there are several theories as to why it occurs:
Dual Processing Theory: According to this theory, déjà vu happens when there is a momentary hiccup or delay in the brain's processing of information. It creates a sensation of experiencing something again, even though it is the first time.
Memory Mismatch Theory: This theory suggests that déjà vu occurs when the brain's memory systems momentarily misfire, associating the current experience with a past memory that is similar but not precisely the same. This creates the sense of familiarity.
Neurological Factors: Certain neurological conditions or abnormalities in the brain's temporal lobe have been linked to déjà vu experiences. However, not all instances of déjà vu can be attributed to neurological issues.
As for feeling scared or anxious during déjà vu experiences, this is not uncommon. The sensation of experiencing something inexplicably familiar or feeling like you are reliving a moment can be disconcerting for some people. The feeling of uncertainty or the inability to explain why déjà vu is happening can trigger fear or anxiety in some individuals.
Moreover, déjà vu experiences can be associated with various emotions, and sometimes these emotions can be negative, leading to feelings of discomfort or fear. Additionally, if déjà vu occurs frequently or is accompanied by other unusual sensations, it might be unsettling and cause anxiety.
It's essential to remember that déjà vu is a relatively common and generally harmless phenomenon. While it can be disconcerting, it is not a sign of a severe psychological issue. If you find that the fear or anxiety related to déjà vu is causing significant distress in your daily life, it might be helpful to discuss it with a mental health professional who can provide guidance and support. They can help you better understand your feelings and find coping strategies to manage any associated anxiety.