Movement Disorders (revue)

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Differential Role of Dopamine in Emotional Attention and Memory: Evidence from Parkinson's Disease

Identifieur interne : 000632 ( PascalFrancis/Checkpoint ); précédent : 000631; suivant : 000633

Differential Role of Dopamine in Emotional Attention and Memory: Evidence from Parkinson's Disease

Auteurs : Thomas D. H Lbig [États-Unis, Allemagne] ; Stephanie Assuras [États-Unis] ; Judy Creighton [États-Unis] ; Joan C. Borod [États-Unis] ; Winona Tse [États-Unis] ; Pasquale G. Frisina [États-Unis] ; Andrei Voustianiouk [États-Unis] ; Jean-Michel Gracies [États-Unis] ; C. Warren Olanow [États-Unis]

Source :

RBID : Pascal:11-0380287

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English descriptors

Abstract

Consistent with the hypothesis that dopamine is implicated in the processing of salient stimuli relevant to the modification of various behavioral responses, Parkinson's disease is associated with emotional blunting. To address the hypothesis that emotional attention and memory are modulated by dopaminergic neurotransmission in Parkinson's disease, we assessed 15 nondemented patients with Parkinson's disease while on and off dopaminergic medication and 15 age-matched healthy controls. Visual stimuli were presented, and recognition was used to assess emotional memory. Response latency was used as a measure of emotional attention modulation. Stimuli were varied based on valence (pleasant, neutral, and unpleasant) and arousal (high and low) dimensions. Controls had significantly better memory for positive than negative stimuli, whereas patients with Parkinson's disease tested off medication had significantly better memory for negative than positive items. This negativity bias was lost when they were tested while on dopaminergic medication. Reaction times in patients with Parkinson's disease off medication were longer than in healthy controls and, paradoxically, were even longer when on medication. Further, although both healthy controls and patients with Parkinson's disease in the "off" state had arousal-induced prolongation of reaction time, this effect was not seen in patients with Parkinson's disease on medication. These data indicate that dopaminergic neurotransmission is implicated in emotional memory and attention and suggest that dopamine mediates emotional memory via the valence dimension and emotional attention via arousal. Furthermore, our findings suggest that emotional changes in Parkinson's disease result from the effects of both the disease process and dopaminergic treatment.


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Pascal:11-0380287

Le document en format XML

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<div type="abstract" xml:lang="en">Consistent with the hypothesis that dopamine is implicated in the processing of salient stimuli relevant to the modification of various behavioral responses, Parkinson's disease is associated with emotional blunting. To address the hypothesis that emotional attention and memory are modulated by dopaminergic neurotransmission in Parkinson's disease, we assessed 15 nondemented patients with Parkinson's disease while on and off dopaminergic medication and 15 age-matched healthy controls. Visual stimuli were presented, and recognition was used to assess emotional memory. Response latency was used as a measure of emotional attention modulation. Stimuli were varied based on valence (pleasant, neutral, and unpleasant) and arousal (high and low) dimensions. Controls had significantly better memory for positive than negative stimuli, whereas patients with Parkinson's disease tested off medication had significantly better memory for negative than positive items. This negativity bias was lost when they were tested while on dopaminergic medication. Reaction times in patients with Parkinson's disease off medication were longer than in healthy controls and, paradoxically, were even longer when on medication. Further, although both healthy controls and patients with Parkinson's disease in the "off" state had arousal-induced prolongation of reaction time, this effect was not seen in patients with Parkinson's disease on medication. These data indicate that dopaminergic neurotransmission is implicated in emotional memory and attention and suggest that dopamine mediates emotional memory via the valence dimension and emotional attention via arousal. Furthermore, our findings suggest that emotional changes in Parkinson's disease result from the effects of both the disease process and dopaminergic treatment.</div>
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<s1>Department of Research & Quality Management, Kessler Institute for Rehabilitation</s1>
<s2>West Orange, New Jersey</s2>
<s3>USA</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="05">
<s1>Department of Geriatrics & Adult Development, Mount Sinai School of Medicine</s1>
<s2>New York New York</s2>
<s3>USA</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="06">
<s1>Dysautonomia Research Laboratory, New York University School of Medicine</s1>
<s2>New York, New York</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20>
<s1>1677-1683</s1>
</fA20>
<fA21>
<s1>2011</s1>
</fA21>
<fA23 i1="01">
<s0>ENG</s0>
</fA23>
<fA43 i1="01">
<s1>INIST</s1>
<s2>20953</s2>
<s5>354000508939410130</s5>
</fA43>
<fA44>
<s0>0000</s0>
<s1>© 2011 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>41 ref.</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>11-0380287</s0>
</fA47>
<fA60>
<s1>P</s1>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Movement disorders</s0>
</fA64>
<fA66 i1="01">
<s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>Consistent with the hypothesis that dopamine is implicated in the processing of salient stimuli relevant to the modification of various behavioral responses, Parkinson's disease is associated with emotional blunting. To address the hypothesis that emotional attention and memory are modulated by dopaminergic neurotransmission in Parkinson's disease, we assessed 15 nondemented patients with Parkinson's disease while on and off dopaminergic medication and 15 age-matched healthy controls. Visual stimuli were presented, and recognition was used to assess emotional memory. Response latency was used as a measure of emotional attention modulation. Stimuli were varied based on valence (pleasant, neutral, and unpleasant) and arousal (high and low) dimensions. Controls had significantly better memory for positive than negative stimuli, whereas patients with Parkinson's disease tested off medication had significantly better memory for negative than positive items. This negativity bias was lost when they were tested while on dopaminergic medication. Reaction times in patients with Parkinson's disease off medication were longer than in healthy controls and, paradoxically, were even longer when on medication. Further, although both healthy controls and patients with Parkinson's disease in the "off" state had arousal-induced prolongation of reaction time, this effect was not seen in patients with Parkinson's disease on medication. These data indicate that dopaminergic neurotransmission is implicated in emotional memory and attention and suggest that dopamine mediates emotional memory via the valence dimension and emotional attention via arousal. Furthermore, our findings suggest that emotional changes in Parkinson's disease result from the effects of both the disease process and dopaminergic treatment.</s0>
</fC01>
<fC02 i1="01" i2="X">
<s0>002B17</s0>
</fC02>
<fC02 i1="02" i2="X">
<s0>002B17G</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE">
<s0>Maladie de Parkinson</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG">
<s0>Parkinson disease</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA">
<s0>Parkinson enfermedad</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE">
<s0>Pathologie du système nerveux</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG">
<s0>Nervous system diseases</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA">
<s0>Sistema nervioso patología</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE">
<s0>Dopamine</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG">
<s0>Dopamine</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA">
<s0>Dopamina</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>09</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE">
<s0>Attention</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG">
<s0>Attention</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA">
<s0>Atención</s0>
<s5>10</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE">
<s0>Mémoire</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG">
<s0>Memory</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA">
<s0>Memoria</s0>
<s5>11</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Noyau gris central</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Basal ganglion</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Núcleo basal</s0>
<s5>12</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE">
<s0>Catécholamine</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG">
<s0>Catecholamine</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA">
<s0>Catecolamina</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE">
<s0>Neurotransmetteur</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG">
<s0>Neurotransmitter</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA">
<s0>Neurotransmisor</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE">
<s0>Pathologie de l'encéphale</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG">
<s0>Cerebral disorder</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA">
<s0>Encéfalo patología</s0>
<s5>39</s5>
</fC07>
<fC07 i1="04" i2="X" l="FRE">
<s0>Syndrome extrapyramidal</s0>
<s5>40</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG">
<s0>Extrapyramidal syndrome</s0>
<s5>40</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA">
<s0>Extrapiramidal síndrome</s0>
<s5>40</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE">
<s0>Maladie dégénérative</s0>
<s5>41</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG">
<s0>Degenerative disease</s0>
<s5>41</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA">
<s0>Enfermedad degenerativa</s0>
<s5>41</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE">
<s0>Pathologie du système nerveux central</s0>
<s5>42</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG">
<s0>Central nervous system disease</s0>
<s5>42</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA">
<s0>Sistema nervosio central patología</s0>
<s5>42</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE">
<s0>Encéphale</s0>
<s5>44</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG">
<s0>Encephalon</s0>
<s5>44</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA">
<s0>Encéfalo</s0>
<s5>44</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE">
<s0>Système nerveux central</s0>
<s5>45</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG">
<s0>Central nervous system</s0>
<s5>45</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA">
<s0>Sistema nervioso central</s0>
<s5>45</s5>
</fC07>
<fN21>
<s1>262</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
<affiliations>
<list>
<country>
<li>Allemagne</li>
<li>États-Unis</li>
</country>
<region>
<li>Berlin</li>
<li>New Jersey</li>
<li>État de New York</li>
</region>
<settlement>
<li>Berlin</li>
</settlement>
</list>
<tree>
<country name="États-Unis">
<region name="État de New York">
<name sortKey="H Lbig, Thomas D" sort="H Lbig, Thomas D" uniqKey="H Lbig T" first="Thomas D." last="H Lbig">Thomas D. H Lbig</name>
</region>
<name sortKey="Assuras, Stephanie" sort="Assuras, Stephanie" uniqKey="Assuras S" first="Stephanie" last="Assuras">Stephanie Assuras</name>
<name sortKey="Borod, Joan C" sort="Borod, Joan C" uniqKey="Borod J" first="Joan C." last="Borod">Joan C. Borod</name>
<name sortKey="Borod, Joan C" sort="Borod, Joan C" uniqKey="Borod J" first="Joan C." last="Borod">Joan C. Borod</name>
<name sortKey="Creighton, Judy" sort="Creighton, Judy" uniqKey="Creighton J" first="Judy" last="Creighton">Judy Creighton</name>
<name sortKey="Frisina, Pasquale G" sort="Frisina, Pasquale G" uniqKey="Frisina P" first="Pasquale G." last="Frisina">Pasquale G. Frisina</name>
<name sortKey="Frisina, Pasquale G" sort="Frisina, Pasquale G" uniqKey="Frisina P" first="Pasquale G." last="Frisina">Pasquale G. Frisina</name>
<name sortKey="Gracies, Jean Michel" sort="Gracies, Jean Michel" uniqKey="Gracies J" first="Jean-Michel" last="Gracies">Jean-Michel Gracies</name>
<name sortKey="Olanow, C Warren" sort="Olanow, C Warren" uniqKey="Olanow C" first="C. Warren" last="Olanow">C. Warren Olanow</name>
<name sortKey="Tse, Winona" sort="Tse, Winona" uniqKey="Tse W" first="Winona" last="Tse">Winona Tse</name>
<name sortKey="Voustianiouk, Andrei" sort="Voustianiouk, Andrei" uniqKey="Voustianiouk A" first="Andrei" last="Voustianiouk">Andrei Voustianiouk</name>
</country>
<country name="Allemagne">
<region name="Berlin">
<name sortKey="H Lbig, Thomas D" sort="H Lbig, Thomas D" uniqKey="H Lbig T" first="Thomas D." last="H Lbig">Thomas D. H Lbig</name>
</region>
</country>
</tree>
</affiliations>
</record>

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