A simulated actuator driven by motor cortical signals.

Abstract:

:One problem in motor control concerns the mechanism whereby the central nervous system translates the motor cortical command encoded in cell activity into a coordinated contraction of limb muscles to generate a desired motor output. This problem is closely related to the design of adaptive systems that transform neuronal signals chronically recorded from the motor cortex into the physiologically appropriate motor output of multijoint prosthetic limbs. In this study we demonstrated how this transformation can be carried out by an artificial neural network using as command signals the actual impulse activity obtained from recordings in the motor cortex of monkeys during the performance of a task that required the exertion of force in different directions. The network receives experimentally measured brain signals and recodes them into motor actions of a simulated actuator that mimics the primate arm. The actuator responds to the motor cortical commands with surprising fidelity, generating forces in close quantitative agreement with those exerted by trained monkeys, in both the temporal and spatial domains. Moreover, we show that the time-varying motor output may be controlled by the impulse activity of as few as 15 motor cortical cells. These results outline a potentially implementable computation scheme that utilizes raw neuronal signals to drive artificial mechanical systems.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Lukashin AV,Amirikian BR,Georgopoulos AP

doi

10.1097/00001756-199611040-00038

subject

Has Abstract

pub_date

1996-11-04 00:00:00

pages

2597-601

issue

15-17

eissn

0959-4965

issn

1473-558X

journal_volume

7

pub_type

杂志文章
  • Four facets of a single brain: behaviour, cerebral blood flow/metabolism, neuronal activity and neurotransmitter dynamics.

    abstract::Is functional neuroimaging a royal way to understand brain function or is it a new phrenology without an exact understanding what we measure? After two decades of imaging revolution, more and more authors ask this question. Brain functions are multidimensional, which can be approached from the point of (1) behavioural...

    journal_title:Neuroreport

    pub_type: 杂志文章,评审

    doi:10.1097/00001756-200306110-00001

    authors: Kéri S,Gulyás B

    更新日期:2003-06-11 00:00:00

  • In situ hybridization of neuropeptide Y (NPY) mRNA in the goldfish brain.

    abstract::The distribution of neurones expressing neuropeptide Y (NPY) mRNA in the brain of the goldfish was investigated using a non-radioactive in situ hybridization technique. Neurones expressing NPY mRNA were located in cell groups previously shown to exhibit NPY immunoreactivity in the ventral telencephalon, thalamus, opti...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199412300-00033

    authors: Vecino E,Perez MT,Ekström P

    更新日期:1994-12-30 00:00:00

  • Evidence that MK-801 stimulates intraoral intake by acting on hepatic afferents.

    abstract::Satiety signals from the gastrointestinal tract travel via vagal afferents to the nucleus of the solitary tract (NTS) in the brain stem, the first central relay in a neural network which controls food intake. The non-competitive NMDA antagonist MK-801 facilitates food intake in rats by acting on the NTS. Here we repor...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200008210-00002

    authors: Qian M,Zhu SW,Johnson AE,Södersten P

    更新日期:2000-08-21 00:00:00

  • Calpain-mediated regulation of AMPA receptors in adult rat brain.

    abstract::Changes in AMPA receptors have been proposed to underlie changes in synaptic efficacy in hippocampus and other brain structures. Activation of calpain has also been discussed as a potential mechanism to produce lasting modifications of synaptic structure and function. We report here that preincubation of thin (10 micr...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199412300-00017

    authors: Bi X,Tocco G,Baudry M

    更新日期:1994-12-30 00:00:00

  • P2X3 receptor in injured human sensory neurons.

    abstract::The ATP-gated cation channel P2X3 is expressed selectively by rat sensory neurones, and may play a role in nociception by binding ATP released from damaged or inflamed tissues. However, the distribution of this channel in human sensory neurons is not known. Using a specific antibody, we have demonstrated intense P2X3 ...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200004070-00019

    authors: Yiangou Y,Facer P,Birch R,Sangameswaran L,Eglen R,Anand P

    更新日期:2000-04-07 00:00:00

  • Processing social participation: an event-related brain potential study.

    abstract::We examined the electrophysiological correlates of the processing of social exclusion and inclusion by using a modified version of the Cyberball paradigm. Exclusion was found to be associated with a significant increase in the P3 complex. The frontal-central P3a was primarily related to the affective processing of rej...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/WNR.0b013e3283476b67

    authors: Gutz L,Küpper C,Renneberg B,Niedeggen M

    更新日期:2011-06-22 00:00:00

  • Co-localization of PKCepsilon with various GABA(A) receptor subunits in the mouse limbic system.

    abstract::The distribution of PKCepsilon and its co-localization with various GABA(A) receptor subunits within limbic structures of the mouse brain was examined by fluorescence immunohistochemistry. Levels of PKCepsilon immunoreactivity were highest in the cingulate cortex and dentate gyrus, moderate in the nucleus accumbens, a...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200003200-00006

    authors: Olive MF,Hodge CW

    更新日期:2000-03-20 00:00:00

  • Genetic analysis of the alpha2-macroglobulin gene in early- and late-onset Parkinson's disease.

    abstract::Recent association studies investigating polymorphisms in the alpha2-macroglobulin (A2M) gene provided evidence for an involvement of this protease inhibitor in the pathogenesis of Alzheimer's disease (AD). The partially overlapping pathology between AD and Parkinson's disease (PD) led us to investigate the role of A2...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200008030-00020

    authors: Krüger R,Menezes-Saecker AM,Schöls L,Kuhn W,Müller T,Woitalla D,Berg D,Berger K,Przuntek H,Epplen JT,Riess O

    更新日期:2000-08-03 00:00:00

  • Frontal gamma-band activity in magnetoencephalogram during auditory oddball processing.

    abstract::Previous studies have demonstrated induced gamma-band activity (GBA) over posterior temporo-parietal and inferior frontal cortex during auditory spatial vs pattern mismatch processing, respectively. Here we investigated magnetoencephalographic oscillatory responses during an active auditory pattern oddball task. Fourt...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200410050-00008

    authors: Kaiser J,Lutzenberger W

    更新日期:2004-10-05 00:00:00

  • Stimulus predictability and the gap effect on pre-saccadic smooth pursuit.

    abstract::There is disagreement in the literature as to whether smooth pursuit latency is reduced when a temporal gap is introduced between the extinction of a central fixation target and the illumination of an eccentric moving target. This study confirms that in human subjects smooth pursuit latency is reduced by gaps and that...

    journal_title:Neuroreport

    pub_type: 临床试验,杂志文章

    doi:10.1097/00001756-199803300-00008

    authors: Knox PC

    更新日期:1998-03-30 00:00:00

  • Quinolinic acid toxicity on orexin neurons blocked by gamma aminobutyric acid type A receptor stimulation.

    abstract::Selective degeneration of hypothalamic orexin neurons, a hallmark of pathology in narcolepsy patients, is in part reproduced in hypothalamic slice cultures by application of an endogenous excitotoxin quinolinic acid. Depolarized membrane potential may be responsible for the vulnerability of orexin neurons to excitotox...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200508010-00005

    authors: Katsuki H,Akaike A

    更新日期:2005-08-01 00:00:00

  • Elk with a long incubation prion disease phenotype have a unique PrPd profile.

    abstract::The transmissible spongiform encephalopathies (TSEs) invariably result in fatal neurodegeneration and accumulation of PrP, an abnormal form of the host prion protein PrP, encoded by the PRNP gene. A naturally occurring polymorphism (methionine/valine) at PRNP codon 129 is associated with variation in relative disease ...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/WNR.0b013e3282f1ca2f

    authors: O'Rourke KI,Spraker TR,Zhuang D,Greenlee JJ,Gidlewski TE,Hamir AN

    更新日期:2007-12-03 00:00:00

  • The role of transient receptor potential vanilloid receptor 1 and peroxisome proliferator-activated receptors-α in mediating the antinociceptive effects of palmitoylethanolamine in rats.

    abstract::Palmitoylethanolamine (PEA) is a ligand at peroxisome proliferator-activated receptors-α (PPARα), a nuclear receptor that has anti-inflammatory effects. Herein, complete Freund's adjuvant (CFA)-induced inflammatory pain model in rats and in-vitro calcium imaging studies were used to evaluate the mechanisms that underl...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/WNR.0000000000001161

    authors: Aldossary SA,Alsalem M,Kalbouneh H,Haddad M,Azab B,Al-Shboul O,Mustafa AG,Obiedat S,El-Salem K

    更新日期:2019-01-02 00:00:00

  • LTP in CA1 of the adult rat hippocampus and voltage-activated calcium channels.

    abstract::It is difficult to induce long-term potentiation (LTP) in CA1 of hippocampal slices from 120-day-old rats when a single 100 Hz, 1 s tetanus is administered in extracellular solution containing 2.0 mM calcium and 2.0 mM magnesium. However, in the presence of 2.5 mM calcium and 1.3 mM magnesium LTP is reliably induced b...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199811160-00022

    authors: Izumi Y,Zorumski CF

    更新日期:1998-11-16 00:00:00

  • Neurone-specific enolase persists in some hippocampal cells 24 hours after an NMDA injection.

    abstract::Neurone-specific enolase immunoreactivity (NSE-IR) was examined in the hippocampal dentate gyrus 5 h, 24 h and 6 days following local injection of N-methyl-D-aspartate (NMDA), and was compared with Nissl substance and acid fuchsin staining. Five and 24 hours post-injection extracellular NSE-IR was increased, and the n...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199412000-00046

    authors: Comer AM,Lees GJ,Lipski J

    更新日期:1994-12-20 00:00:00

  • Grating and plaid chrominance motion influences the suppressed ocular following response.

    abstract::Involuntary eye movements to foveal stimulation were measured in a monkey while it performed a fixation task. Second-order plaid motion generated higher velocities of eye movements than did first-order gratings, yet the latency of the early following response was no different for grating or plaid motion. Nevertheless,...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199902050-00032

    authors: Guo K,Benson PJ

    更新日期:1999-02-05 00:00:00

  • The serotonin transporter is a potential susceptibility factor for bipolar affective disorder.

    abstract::The serotonin transporter is a strong candidate for aetiological involvement in affective disorders and psychosis. We analysed a VNTR in intron 2 of the human serotonin transporter gene (hSERT) for allelic association with bipolar affective disorder, unipolar depression and schizophrenia. An increased frequency of all...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199607080-00030

    authors: Collier DA,Arranz MJ,Sham P,Battersby S,Vallada H,Gill P,Aitchison KJ,Sodhi M,Li T,Roberts GW,Smith B,Morton J,Murray RM,Smith D,Kirov G

    更新日期:1996-07-08 00:00:00

  • Noise affects auditory and linguistic processing differently: an MEG study.

    abstract::We investigated the influence of noise on brain responses to spoken sentences in MEG. Sixteen subjects had to listen to acoustically presented sentences and judge their syntactic correctness. Sentences were either presented on a silent background or with noise. Noise had differential effects on early auditory and synt...

    journal_title:Neuroreport

    pub_type: 临床试验,杂志文章

    doi:10.1097/00001756-200002070-00001

    authors: Herrmann CS,Oertel U,Wang Y,Maess B,Friederici AD

    更新日期:2000-02-07 00:00:00

  • Activation of kappa opioid receptors in the rostral ventromedial medulla blocks stress-induced antinociception.

    abstract::Prior work has shown that kappa opioids may attenuate the effects of analgesic mu receptor agonists in some neural circuits related to pain modulation. This study examined whether hypoalgesia following exposure to a signal for shock is attenuated by infusions of the kappa agonist U69593 into the rostral ventromedial m...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200010200-00017

    authors: Foo H,Helmstetter FJ

    更新日期:2000-10-20 00:00:00

  • IL-6 up-regulates CNTF mRNA expression and enhances neurite regeneration.

    abstract::Interleukin-6 (IL-6) is a neurotrophic cytokine, however, its direct effect on nerve regeneration has not been well characterized. We therefore examined the effect of IL-6 on neurite regeneration using the rat dorsal root ganglion. IL-6 significantly enhanced neurite regeneration from transected nerve terminals. We al...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200104170-00043

    authors: Shuto T,Horie H,Hikawa N,Sango K,Tokashiki A,Murata H,Yamamoto I,Ishikawa Y

    更新日期:2001-04-17 00:00:00

  • Control of the binding of a vesamicol analog to the vesicular acetylcholine transporter.

    abstract::4-Aminobenzovesamicol was used to test whether activation of protein kinase C protects the vesicular acetylcholine transporter from interaction with vesamicol-like drugs. The essentially irreversible vesamicol analog inhibits the release of newly synthesized [3H]acetylcholine from stimulated hippocampal slices. Prior ...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199909090-00016

    authors: Clarizia AD,Gomez MV,Romano-Silva MA,Parsons SM,Prado VF,Prado MA

    更新日期:1999-09-09 00:00:00

  • Expression of the kallikrein gene family in normal and Alzheimer's disease brain.

    abstract::The human kallikrein gene family consists of 15 serine proteases. We examined the expression of the kallikrein genes in human cerebral cortex and hippocampus by RT-PCR and compared their expression between Alzheimer's disease (AD) and control tissue. KLK1, 4, 5, 6, 7, 8, 10, 11, 13 and 14 are expressed in both cerebra...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200108280-00031

    authors: Shimizu-Okabe C,Yousef GM,Diamandis EP,Yoshida S,Shiosaka S,Fahnestock M

    更新日期:2001-08-28 00:00:00

  • Inhibition of DNA synthesis in human gliomas by roscovitine.

    abstract::The early effect of 1-100 microM roscovitine, a purine analogue and cyclin-dependent kinase inhibitor, was studied on tissue specimens from eight human malignant gliomas. The tissue was incubated immediately after resection with DMEM containing [3H]methylthymidine plus vehicle alone or the proper concentration of rosc...

    journal_title:Neuroreport

    pub_type: 临床试验,杂志文章

    doi:10.1097/00001756-199908200-00023

    authors: Yakisich JS,Boethius J,Lindblom IO,Wallstedt L,Vargas VI,Sidén A,Cruz MH

    更新日期:1999-08-20 00:00:00

  • Vergence responses to face stimuli in young children.

    abstract::In line with a possible role of vergence in orienting visual attention, we sought to study this eye movement in young children to provide insights on face perception. For this purpose, we measured the modulation in the angle of eye vergence in a sample of 39 children aged 6-36 months and compared it when presenting st...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/WNR.0000000000000963

    authors: Esposito FL,Supèr H

    更新日期:2018-02-07 00:00:00

  • Multiple integration of input and output in the cortex.

    abstract::We inserted microelectrodes in eye movement-evoking cortices (EMECs) of cats and examined whether neurones in the EMECs received sensory input from guide signals and fired prior to saccades. The five EMECs were the medial wall of the hemisphere under the cruciate sulcus, the medical and lateral bank of the presylvian ...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199610020-00024

    authors: Tamai Y,Kimura A

    更新日期:1996-10-02 00:00:00

  • LTP of spinal A beta and C-fibre evoked responses after electrical sciatic nerve stimulation.

    abstract::Plasticity in the central nervous system may play an important role in clinical pain. The present study shows that long-term potentiation (LTP) may be induced in single wide dynamic range (WDR) neurons in the dorsal horn after high-frequency stimulation of the sciatic nerve in intact urethane anaesthetized rats. Extra...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199711100-00002

    authors: Svendsen F,Tjølsen A,Hole K

    更新日期:1997-11-10 00:00:00

  • Immunohistochemical analysis on the role of adenosine A1 receptors in epilepsy.

    abstract::Adenosine has an anticonvulsant effect in various models of epilepsy. This effect appears to be mediated through the activation of adenosine A1 receptors (A1Rs). We immunohistochemically investigated the changes of A1Rs expression in kainate-treated and hippocampus-kindled rats as chronic models of epilepsy. In the no...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199911260-00014

    authors: Ochiishi T,Takita M,Ikemoto M,Nakata H,Suzuki SS

    更新日期:1999-11-26 00:00:00

  • Selective interference reveals dissociation between memory for location and colour.

    abstract::The aim was to study whether there is indication of a dissociation in processing of visuospatial and colour information in working memory in humans. Experimental subjects performed visuospatial and colour n-back tasks with and without visuospatial and colour distractive stimuli presented in the middle of the delay per...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-199908020-00002

    authors: Vuontela V,Rämä P,Raninen A,Aronen HJ,Carlson S

    更新日期:1999-08-02 00:00:00

  • Leptin in the nucleus accumbens blocks the increase of GluA1 phosphorylation induced by acute cocaine administration.

    abstract::Leptin in the rat's nucleus accumbens (NAcc) core has previously shown to disrupt the effects of acute administration of cocaine on both locomotor activity and the phosphorylation levels of glycogen synthase kinase 3β. In the present study, we further measured the phosphorylation levels of GluA1 after bilateral microi...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/WNR.0000000000001001

    authors: Lee JW,Kim WY,Kim JH

    更新日期:2018-04-11 00:00:00

  • Diet-induced hypercholesterolemia enhances brain A beta accumulation in transgenic mice.

    abstract::Epidemiological data show correlations between hypercholesterolemia and Alzheimer's disease (AD). We test the hypothesis that hypercholesterolemia modulates Abeta deposition in mice overexpressing the human APP695 Swedish mutation (K670N and M671L) (TgAPPsw). Feeding mice a high fat/high cholesterol (HFHC) diet for 7-...

    journal_title:Neuroreport

    pub_type: 杂志文章

    doi:10.1097/00001756-200203250-00019

    authors: Shie FS,Jin LW,Cook DG,Leverenz JB,LeBoeuf RC

    更新日期:2002-03-25 00:00:00