SPEED (Subcortical Pathways Enable Expertise Development) model applications.
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Transcript of SPEED (Subcortical Pathways Enable Expertise Development) model applications.
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Dr. Brian J. Spieringemail: [email protected]
website: https://sites.google.com/site/brianjspiering
SPEED Model Applications
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SPEEDAn Contrarian Model of Procedural Expertise
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Previous Notions
“It has been widely held that although memory traces are at first formed in the cerebral cortex, they are finally reduced or transferred by long practice to subcortical levels” (p. 466)
Karl Lashley (1950) In search of the engram.
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Previous Notions
“Routine, automatic, or overlearned behavioral sequences, however complex, do not engage the PFC and may be entirely organized in subcortical structures” (p. 323)
Joaquin Fuster (2001). The prefrontal cortex – an update.
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SPEEDAn Contrarian Model of Procedural Expertise
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SPEED Model
Procedural learning is striatum dependent.
Procedural expertise is striatum independent.
SPEED (Subcortical Pathways Enable Expertise Development)
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SensoryAssociation
Cortex
Response
BA
B
A-B difference
A B
A BA
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:
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SensoryAssociationA Response
A
A
AA
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
ExcitatoryInhibitory
SPEED Model:Single Subcortical
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SensoryAssociation
Cortex
Response
BA
B
A-B difference
A B
A BA
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Subcortical
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SensoryAssociation
Cortex
StriatumSNpc
Dopamine
Excitatory
SPEED Model:Subcortical Learning
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SensoryAssociation
Cortex
Response
BA
B
A-B difference
A B
A BA
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Subcortical
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SensoryAssociation
Cortex
Response
BA
A-B difference
SPEED Model:Cortical
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SensoryAssociation
Cortex
Response
BA
B
A-B difference
A B
A BA
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Cortical Learning
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SensoryAssociation
Cortex
A
A
A A
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:1st Trial
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SensoryAssociation
Cortex
A
A
A A
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Early Learning
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SensoryAssociation
Cortex
A
A
A A
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Middle Learning
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SensoryAssociation
Cortex
A
A
A A
Premotor Area(Cortex)
Thalamus
Globus PallidusStriatum
SPEED Model:Mature Performance
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Future Directions
- Application to other implicit learning tasks
- Automaticity development during lifespan
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Triplet Learning
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Automaticity Development& Life Span
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F. Greg Ashby Carol A. Seger
Erik J. Peterson
Dan Lopez-Paniagua
Kurt Braunlich
Anastasia SaresAlexander Gonzalez
Catie AlpeterSarah Quraini
Collaborators
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