Brain freeze
In an ice cream headache, known colloquially as brain freeze and medically as a cold-stimulus headache, the trigeminal nerve, shown in yellow, conducts signals from dilating blood vessels in the palate to the brain that interpret the pain as coming from the forehead.
This is an anatomical drawing of the head that shows its nerves. In an ice cream headache, known colloquially as brain freeze and medically as a cold-stimulus headache, the trigeminal nerve, shown in yellow, conducts signals from dilating blood vessels in the palate to the brain that interpret the pain as coming from the forehead.
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"Gray778 Trigeminal."
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