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Curtis Bell Neurological Sciences Institute Oregon Health and Science University

Active Perception and the Brain’s Descending Control of Sensory Processing: with Examples from an Electric Fish. Curtis Bell Neurological Sciences Institute Oregon Health and Science University. Perception is unconscious inference. - Helmholtz.

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Curtis Bell Neurological Sciences Institute Oregon Health and Science University

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  1. Active Perception and the Brain’s Descending Control of Sensory Processing: with Examples from an Electric Fish. Curtis Bell Neurological Sciences Institute Oregon Health and Science University

  2. Perception is unconscious inference. - Helmholtz

  3. Corollary Discharge Signals Keep the World Stable During Smooth Pursuit Eye Movements

  4. Non-Conducting Object Conducting Object Lissman, 1963

  5. Afferent Fiber from Mormyromast Electroreceptor Szabo and Fessard, 1965

  6. Effects of Objects on Afferent Responses Gomez et al., 2003

  7. From Lionel Gomez

  8. Electric Organ Corollary Discharge Effects in Active Electrolocation System

  9. Electric Organ Corollary Discharge Effects in Active Electrolocation System

  10. Cells of the Mormyrid Electrosensory Lobe (ELL) Meek, 1999

  11. Basic Circuit of Electrosensory Lobe

  12. Synaptic Inputs to Granular Cells Recorded in Mormyromast Afferents

  13. Granular Layer Cell Responding to Sensory Stimuli at Different Delays Following the EOD Command Signal

  14. Use of Corollary Discharge to Measure Afferent Latency

  15. Behavioral Demonstration of Corollary Discharge Role in Latency Decoding

  16. Electric Organ Corollary Discharge Effects in Active Electrolocation System

  17. Schema of Cerebellum-like Structures

  18. Basic Circuit of Electrosensory Lobe

  19. On Efferent Cell(Large fusiform cell)

  20. Electric Organ Corollary Discharge Plasticity in the Ampullary system

  21. Basic Circuit of Electrosensory Lobe

  22. EOCD responses of Medium Ganglion Cells

  23. Plasticity of EOCD-evoked EPSP Following Pairing with Dendritic Spike

  24. Pairing with Postsynaptic Dendritic Spike Induces Synaptic Depression

  25. Anti-Hebbian spike timing dependent synaptic plasticity

  26. Collaborators • Holly Campbell (NSI) - In vivo studies. • Angel Caputi (Uruguay) - In vivo studies. • Kirsty Grant (France) - In vivo and in vitro studies. • Victor Han (NSI) - In vitro studies. • Hans Meek (Netherlands) - Morphology. • Claudia Mohr (NSI) - In vivo studies. • Patrick Roberts (NSI) - Mathematical modeling. • Nathaniel Sawtell (NSI) - In vivo studies • Gerhard von der Emde (Germany) - In vivo and behavioral studies.

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