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Research Articles: Systems/Circuits

Decoding information for grasping from the macaque dorsomedial visual stream

Matteo Filippini1,*, Rossella Breveglieri1,*, M. Ali Akhras1,#, Annalisa Bosco1, Eris Chinellato2 and Patrizia Fattori1

1Dept. Pharmacy and Biotechnology, Univ. of Bologna, 40126 Bologna, Italy2School of Science and Engineering, Middlesex University, London NW4 4BT, United Kingdom

DOI: 10.1523/JNEUROSCI.3077-16.2017

Received: 3 October 2016

Revised: 19 February 2017

Accepted: 22 February 2017

Published: 20 March 2017

Author contributions: M.F., M.A.A., and E.C. analyzed data; M.F., R.B., E.C., and P.F. wrote the paper; R.B.and A.B. performed research; P.F. designed research.

*These authors equally contributed to this work

This work was supported, by Ministero dell'Universita` e della Ricerca (Italy) Firb 2013 N. RBFR132BKP, and byFondazione del Monte di Bologna e Ravenna (Italy). We thank N. Marzocchi and G. Placenti for setting up theexperimental apparatus.; The authors declare no competing financial interests.

Correspondence should be addressed to Prof. Patrizia Fattori, Dept. of Pharmacy and Biotechnology,Universita` di Bologna, Piazza di Porta S. Donato, 2, 40126 Bologna, Italy. E-mail: patrizia.fattori@unibo.it

Cite as: J. Neurosci ; 10.1523/JNEUROSCI.3077-16.2017

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Experimental procedure

Macaca fascicularis

i.v

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i.m. i.m.

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Behavioral task

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FREE

OBJ-VIS

DELAY

GRASP

FREE

×

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Tested objects

Handle:

finger prehension

Stick-in-groove

advanced

precision grip

Ring

hook grip

Plate

primitive precision grip,

Ball: whole-hand prehension

Data analysis

scikit-learn,

population

response neural decoding

Population response

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Neural Decoding

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scikit-learn

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time

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Decoding results

Object recognition within the object presentation epoch

Decoding the neural information within the planning epoch

Decoding the neural information within the grasping execution epoch

Time-course of the decoding performance

Generalization analysis

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visual/object

motor/grip

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Offline decoding from single cells in dorso-medial fronto-parietal areas: perspectives

on BCIs

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