Unlimited [Graphic Novels Book] ☆ Distinction Between Nonconscious and Conscious Vision: Evidence from Hemispheric Asymmetry Effects - by Jing Chen 陈静 ↠


  • Title: Distinction Between Nonconscious and Conscious Vision: Evidence from Hemispheric Asymmetry Effects
  • Author: Jing Chen 陈静
  • ISBN: 9781361347386
  • Page: 493
  • Format: Hardcover

  • This dissertation, Distinction Between Nonconscious and Conscious Vision Evidence From Hemispheric Asymmetry Effects by Jing, Chen, , was obtained from The University of Hong Kong Pokfulam, Hong Kong and is being sold pursuant to Creative Commons Attribution 3.0 Hong Kong License The content of this dissertation has not been altered in any way We have altered theThis dissertation, Distinction Between Nonconscious and Conscious Vision Evidence From Hemispheric Asymmetry Effects by Jing, Chen, , was obtained from The University of Hong Kong Pokfulam, Hong Kong and is being sold pursuant to Creative Commons Attribution 3.0 Hong Kong License The content of this dissertation has not been altered in any way We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation All rights not granted by the above license are retained by the author Abstract Here we examined hemispheric differences in conscious and nonconscious perception using a masked priming paradigm In Experiment 1, participants judged the direction of a grey target arrow either left or right pointing , which was preceded by a grey prime arrow in either the left visual field LVF right hemisphere RH or the right visual field RVF left hemisphere LH The prime was either masked or unmasked Participants reported unaware of the prime in the masked condition We found a significant congruency effect i.e a faster response when the prime and target directions were congruent than when they were incongruent when the prime was presented in the LVF RH but not the RVF LH in the masked subliminal condition In contrast, in the unmasked supraliminal condition, the RVF prime had a stronger congruency effect than the LVF prime In Experiment 2, a backward mask was used in all trials and the prime duration was manipulated to create subliminal and supraliminal conditions In the subliminal condition, LVF RH primes but not RVF LH primes generated a congruency effect, whereas in the supraliminal condition, RVF LH primes had a bigger congruency effect than LVF RH primes These qualitatively different hemispheric asymmetry effects in Experiment 1 and 2 suggest that nonconscious and conscious perception may involve different underlying mechanisms In Experiment 3, color stimuli instead of grayscale stimuli were used Neither the congruency effect nor the LVF RH advantage was found in the subliminal condition, while a similar RVF LH advantage in the congruency effect was found in the supraliminal condition This result suggests that parvocellular input does not support the subliminal priming effect in the LVF RH Taking together, our results revealed a dissociation between the mechanisms underlying nonconscious and conscious processing, and this dissociation may be due to the dominant role of the magnocellular pathway in nonconscious vision DOI 10.5353 th_b5317057 Subjects ConsciousnessCerebral dominance
    Jing Chen 陈静
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    • Unlimited [Graphic Novels Book] ☆ Distinction Between Nonconscious and Conscious Vision: Evidence from Hemispheric Asymmetry Effects - by Jing Chen 陈静 ↠
      493 Jing Chen 陈静
    • thumbnail Title: Unlimited [Graphic Novels Book] ☆ Distinction Between Nonconscious and Conscious Vision: Evidence from Hemispheric Asymmetry Effects - by Jing Chen 陈静 ↠
      Posted by:Jing Chen 陈静
      Published :2018-06-06T19:12:48+00:00