Neural overlap between resting state and self-relevant activity in human subcallosal cingulate cortex - Single unit recording in an intracranial study
Identifieur interne : 000C12 ( PascalFrancis/Curation ); précédent : 000C11; suivant : 000C13Neural overlap between resting state and self-relevant activity in human subcallosal cingulate cortex - Single unit recording in an intracranial study
Auteurs : Nir Lipsman [Canada] ; Takashi Nakao [Japon] ; Noriaki Kanayama [Japon] ; Joachim K. Krauss [Allemagne] ; Adam Anderson [Canada] ; Peter Giacobbe [Canada] ; Clement Hamani [Canada] ; William D. Hutchison [Canada] ; Jonathan O. Dostrousky [Canada] ; Thilo Womelsdorf [Canada] ; Andres M. Lozano [Canada] ; Georg Northoff [Canada, Taïwan, République populaire de Chine]Source :
- Cortex : (Testo stampato) [ 0010-9452 ] ; 2014.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
Abstract
High activity of the default mode network (DMN) has been proposed to be central in processing self-relevant events. Thus far, this hypothesis of DMN function has not been tested directly using neurophysiological techniques. To test for the link between frontal midline DMN activity and self-relevant processing we measured neuronal activity (single-neurons' firing rates) in human subcallosal cingulate cortex (SCC) in the course of Deep Brain Stimulation surgery. We find that firing rates in SCC did not change during the presentation of specifically self-relevant stimuli when compared to the preceding pre-stimulus resting state level. In contrast, we observed significant changes in firing rates during other names in SCC. Such rest-self overlap seems to be specific for SCC since increase in firing rates in response to self-relevant stimuli were observed in another region, the subthalamic nucleus, in a group of Parkinson patients receiving deep brain stimulation surgery. These results suggest specific relationship between resting state and self-related activity, rest-self overlap, in specifically SCC as core region of the default-mode network.
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<front><div type="abstract" xml:lang="en">High activity of the default mode network (DMN) has been proposed to be central in processing self-relevant events. Thus far, this hypothesis of DMN function has not been tested directly using neurophysiological techniques. To test for the link between frontal midline DMN activity and self-relevant processing we measured neuronal activity (single-neurons' firing rates) in human subcallosal cingulate cortex (SCC) in the course of Deep Brain Stimulation surgery. We find that firing rates in SCC did not change during the presentation of specifically self-relevant stimuli when compared to the preceding pre-stimulus resting state level. In contrast, we observed significant changes in firing rates during other names in SCC. Such rest-self overlap seems to be specific for SCC since increase in firing rates in response to self-relevant stimuli were observed in another region, the subthalamic nucleus, in a group of Parkinson patients receiving deep brain stimulation surgery. These results suggest specific relationship between resting state and self-related activity, rest-self overlap, in specifically SCC as core region of the default-mode network.</div>
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<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>High activity of the default mode network (DMN) has been proposed to be central in processing self-relevant events. Thus far, this hypothesis of DMN function has not been tested directly using neurophysiological techniques. To test for the link between frontal midline DMN activity and self-relevant processing we measured neuronal activity (single-neurons' firing rates) in human subcallosal cingulate cortex (SCC) in the course of Deep Brain Stimulation surgery. We find that firing rates in SCC did not change during the presentation of specifically self-relevant stimuli when compared to the preceding pre-stimulus resting state level. In contrast, we observed significant changes in firing rates during other names in SCC. Such rest-self overlap seems to be specific for SCC since increase in firing rates in response to self-relevant stimuli were observed in another region, the subthalamic nucleus, in a group of Parkinson patients receiving deep brain stimulation surgery. These results suggest specific relationship between resting state and self-related activity, rest-self overlap, in specifically SCC as core region of the default-mode network.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A26C07</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Repos</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Rest</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Descanso</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Soi</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Self</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Si mismo</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Intracérébral</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Intracerebral</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Intracerebral</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Cortex cingulaire</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Cingulate cortex</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Corteza cingular</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Homme</s0>
<s5>18</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Human</s0>
<s5>18</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Hombre</s0>
<s5>18</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Réseau du mode par défaut</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Default mode network</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Red por defecto</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Stimulation cérébrale profonde</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Deep brain stimulation</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Estimulación cerebral profunda</s0>
<s4>CD</s4>
<s5>97</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Encéphale</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Encephalon</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Encéfalo</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Système nerveux central</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Central nervous system</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Sistema nervioso central</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Traitement</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Treatment</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Tratamiento</s0>
<s5>39</s5>
</fC07>
<fN21><s1>349</s1>
</fN21>
</pA>
</standard>
</inist>
</record>
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