Do altered states require substances?

Why This Matters

The brain naturally produces altered states because consciousness operates on a spectrum of arousal and awareness levels. Changes in neurotransmitter activity, brainwave patterns, and neural network connectivity occur through internal biological processes and environmental influences. This demonstrates that consciousness modification represents a fundamental capacity of the nervous system rather than requiring external chemical intervention.

Where This Changes

Substance-induced states may produce more dramatic or rapid shifts in consciousness compared to natural methods. Some naturally occurring altered states, like those in severe mental illness or neurological conditions, can be as profound as any chemically induced experience.

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