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Page 1: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule
Page 2: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

100mV

4mV

Page 3: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

LTP

Page 4: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

1997 Sjöström and Gerstner (2010)

STDP LTP

LTD

Page 5: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Donald Hebb, 1949

La connessione tra due neuroni è rinforzata se i due neuroni sono attivi

simultaneamente (fire together, wire together)

Page 6: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Kauer and Malenka, 2007

Page 7: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule
Page 8: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Palmer et al., 2012 Larkum et al., 2009

“Enigma supremo”

D. Hubel

Page 9: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Model of STDP induction in apical dendrites of layer 5 pyramidal neurons.

Johannes J. Letzkus et al. J. Neurosci. 2006;26:10420-

10429

©2006 by Society for Neuroscience

Page 10: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Bottom-up

Top-down

Contextual Amplification

Apical Amplification

Page 11: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

V1 Higher

bottom-up

top-down

LGN

S1 M1

bottom-up

top-down

Engel et al., 2001

Page 12: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

V1 Higher

bottom-up

top-down

LGN

MC

Som

VIP top-down

Page 13: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Cerminara et al., 2015

Marr-Albus-Ito Error

Context

LTD @ PF-PC decreased AMPA-R

Page 14: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Classen et al., 1998

30 minuti di “esercizio” possono modificare la mappa corticale di M1

Page 15: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Fire together, wire together

Page 16: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Is it really better to have your brain lesion early? A revision of the “Kennard principle”

Schneider, 1979

? La plasticità è sempre

buona?

Page 17: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Giannetti et al., 2000

Plasticità (maladattativa)

Page 18: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule

Granato A et al. J. Neurosci. 2012;32:1377-1382

©2012 by Society for Neuroscience

Intellectual disability Ca++

Page 19: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule
Page 20: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule
Page 21: Presentazione di PowerPoint - Dipartimenti€¦ · School of Natural Sciences, University of Stirling Stirling FK9 4LA, UK . OTC?) Object Object 2 Time Object 1 Object 2 Time . Microtubule