Memory Brain Location

Anyone here a NEUROLOGIST or BRAIN SCIENTIST?
I have a question regarding memory. Is memory stored in a particular region of the brain or is it stored all around the cerebrum in random locations? And also how does memory transform into memory i.e. how does an image of a face become a memory…(what happens after it enters the eye?) and what exactly is the physical nature of memory…is it electrical signals or tissue matter?
Thanks for the input
Dr. Zohar is very wrong. The Wernicke and Broca regions are related to the recognition and production of speech. It’s the hippocampus that plays a major role in the formation of memories. In general memories are not stored in specific regions of the brain but the destruction of specific regions of the brain can inhibit the formation or recall of specific types of memories.
The question about how memories are formed is too complex to answer here at the level you’re requesting. However the simplified version is that memories are encoded, stored and then retrieved. If you look in wikipedia for those topics I’m sure you’ll find a satisfactory answer.
No one specifically knows what physical form memories take but it is know that they are related to the creation and strengthening of new synapses between neurons in the brain.
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