Watched the first video. The guy is immediately wrong. Psychiatrists are not looking for damage to brain tissue, otherwise known as organic damage. That is wrong. For one, a NEUROLOGIST looks for that, and they do so with a CAT scan
Psychiatrists use things such as how a person presents (their affect, their behaviors when speaking, etc), along with their answers to verbal questions during an evaluation as indicators of CHEMICAL IMBALANCE. This cannot be detected with a scan and has nothing to do with damage to brain tissue. In fact, if brain tissue IS damaged, such as with a TBI, psych medications can often have little benefit, because these are meant to correct chemical levels in the brain. Not to say they never are a benefit, but for someone with a TBI, they may have very limited benefit
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