Dopamine, ADHD, and Signal to Noise Ratio

Dopamine bumps the signal to noise ratio in the brain, increasing pattern recognition, even for things that may not be there, as in paranoid schizophrenia. Dopamine deficit lower the signal to noise ratio, making the signal difficult to distinguish from the background noise, and patterns harder to detect. With ADHD’s dopamine deficit, following one conversation or train of thought can prove tricky because all conversations or thoughts sound equally loud, making it hard to pick out a continuous stream, instead picking up bits and pieces from several different streams of conversation or thought. … More Dopamine, ADHD, and Signal to Noise Ratio

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