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Papers of the Week
Perturbing the activity of the superior temporal gyrus during pain encoding prevents the exaggeration of pain memories: a virtual lesion study using single-pulse transcranial magnetic stimulation.
Abstract
Past studies have shown that pain memories are often inaccurate, a phenomenon known as mnemonic pain bias. Pain memories are thought to play an important role on how future pain is felt. Recent evidence from our laboratory suggests that individuals who exaggerate past pain display increased superior temporal gyrus (STG) and parahippocampal gyrus (PHG) activity during the encoding of experimental painful stimulations, suggesting that these brain structures play an important role in pain memories.