A direct brainstem-amygdala-cortical 'alarm' system for subliminal signals of fear.

@article{Liddell2005ADB,
  title={A direct brainstem-amygdala-cortical 'alarm' system for subliminal signals of fear.},
  author={Belinda J. Liddell and Kerri J Brown and Andrew Haddon Kemp and Matthew J. Barton and Pritha Das and Anthony S Peduto and Evian Gordon and Leanne M. Williams},
  journal={NeuroImage},
  year={2005},
  volume={24 1},
  pages={235-43}
}
We examined whether consciously undetected fear signals engage a collateral brainstem pathway to the amygdala and prefrontal cortex in the intact human brain, using functional neuroimaging. 'Blindsight' lesion patients can respond to visual fear signals independently from conscious experience, suggesting that these signals reach the amygdala via a direct pathway that bypasses the primary visual cortex. Electrophysiological evidence points to concomitant involvement of prefrontal regions in… CONTINUE READING
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