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Magnetic brain imaging of extinction processes in human classical conditioning

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1997

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Wik, Gustav
Fredrikson, Mats
Hoke, Manfried
Ross, Bernhard

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Published

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Neuroreport. 1997, 8(7), pp. 1789-1792. Available under: doi: 10.1097/00001756-199705060-00044

Zusammenfassung

By recording neuromagnetic events during aversive classical conditioning, we examined the extinction of a previously described conditioned response. Averaging over non-reinforced exposures to the conditioned stimulus revealed magnetic activity in the secondary somatosensory and insular cortices, appearing between 110 and 140 ms after the omitted unconditioned electric shock. We suggest this activity to be elicited by the discrepancy between shock expectancy and perceptual processes associated with the omission of the unconditioned stimulus, reflecting one of several brain processes in extinction.

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Fachgebiet (DDC)
150 Psychologie

Schlagwörter

Classical conditioning, Extinction, Magnetoencephalography, Somatosensory cortex

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ISO 690WIK, Gustav, Thomas ELBERT, Mats FREDRIKSON, Manfried HOKE, Bernhard ROSS, 1997. Magnetic brain imaging of extinction processes in human classical conditioning. In: Neuroreport. 1997, 8(7), pp. 1789-1792. Available under: doi: 10.1097/00001756-199705060-00044
BibTex
@article{Wik1997Magne-10821,
  year={1997},
  doi={10.1097/00001756-199705060-00044},
  title={Magnetic brain imaging of extinction processes in human classical conditioning},
  number={7},
  volume={8},
  journal={Neuroreport},
  pages={1789--1792},
  author={Wik, Gustav and Elbert, Thomas and Fredrikson, Mats and Hoke, Manfried and Ross, Bernhard}
}
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