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Fig. 3 | BMC Complementary and Alternative Medicine

Fig. 3

From: Case report: fainting during acupuncture stimulation at acupuncture point LI4

Fig. 3

Cortical areas activated at each stage. Coloured spaces indicate an increase in neuronal activity. The yellow colour indicates a more active area than a red-coloured area. Upper: baseline activity before acupuncture needle insertion. Middle: the first burst when the acupuncture needle inserted; the sensory cortex was activated. Lower: the second burst when the participant fainted; activation occurred in various areas

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