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  • Cats  (4)
  • Action Potentials  (3)
  • American Association for the Advancement of Science (AAAS)  (7)
  • American Geophysical Union (AGU)
  • Springer Nature
  • 1980-1984  (7)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (7)
  • American Geophysical Union (AGU)
  • Springer Nature
Years
Year
  • 1
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    Associative learning in Aplysia: cellular correlates supporting a conditioned fear hypothesis (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-01-30
    Description: Aversive associative learning in Aplysia california survives restraint of the animal and surgical exposure of the central nervous system. The learning is expressed in the intracellularly recorded activity of identified motor neurons mediating three different defensive behaviors: escape locomotion, inking, and siphon withdrawal. In each case, animals that had previously received paired training showed significant facilitation of synaptic input to motor neurons during test stimulation in the presence of the conditioned stimulus. Animals without such training showed no facilitation of input to the motor neurons. Resting potential and input resistance appeared unaffected by conditioning and were not altered by application of the conditioned stimulus. These results show that the conditioned facilitation of defensive responses cannot be explained by subthreshold actions of the conditioned stimulus on the motor neurons and support the hypothesis that Aplysia learn to associate the conditioned stimulus with a fearlike central state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carew, T J -- Walters, E T -- Kandel, E R -- 5K02MH0081/MH/NIMH NIH HHS/ -- 5K05MH18558/MH/NIMH NIH HHS/ -- 5T32MH1574/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1981 Jan 30;211(4481):501-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7455692" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Aplysia/*physiology ; Association Learning/*physiology ; Avoidance Learning/*physiology ; Learning/*physiology ; Locomotion ; Motor Neurons/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Ventral posterior thalamic neurons differentially responsive to noxious stimulation of the awake monkey (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-12
    Description: Of 76 cutaneously activated neurons recorded from the ventral posterior thalamus of awake, behaving monkeys, nine were weakly excited by innocuous skin stimulation and responded maximally only when noxious mechanical cutaneous stimuli were delivered within small, contralateral receptive fields. These results show that neurons capable of encoding the spatial and temporal features of noxious stimuli are located in the ventral posterior thalamus of the awake primate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Casey, K L -- Morrow, T J -- NS 12581/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1983 Aug 12;221(4611):675-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867738" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cats ; Consciousness/physiology ; Electric Stimulation ; Neurons, Afferent/physiology ; Pain/*physiopathology ; Physical Stimulation ; Rats ; Saimiri ; Thalamic Nuclei/physiology ; Thalamus/cytology/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    A cellular mechanism of classical conditioning in Aplysia: activity-dependent amplification of presynaptic facilitation (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-01-28
    Description: A training procedure analogous to differential classical conditioning produces differential facilitation of excitatory postsynaptic potentials (EPSP's) in the neuronal circuit for the siphon withdrawal reflex in Aplysia. Thus, tail shock (the unconditioned stimulus) produces greater facilitation of the monosynaptic EPSP from a siphon sensory neuron to a siphon motor neuron if the shock is preceded by spike activity in the sensory neuron than if the shock and spike activity occur in a specifically unpaired pattern or if the shock occurs alone. Further experiments indicate that this activity-dependent amplification of facilitation is presynaptic in origin and involves a differential increase in spike duration and thus in Ca2+ influx in paired versus unpaired sensory neurons. The results of these cellular experiments are quantitatively similar to the results of behavioral experiments with the same protocol and parameters, suggesting that activity-dependent amplification of presynaptic facilitation may make a significant contribution to classical conditioning of the withdrawal reflex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hawkins, R D -- Abrams, T W -- Carew, T J -- Kandel, E R -- 5K02 MH0081/MH/NIMH NIH HHS/ -- 5KO5 MH 18558/MH/NIMH NIH HHS/ -- 5T32NS07062-06/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1983 Jan 28;219(4583):400-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6294833" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Afferent Pathways/physiology ; Animals ; Aplysia/*physiology ; Calcium/physiology ; Conditioning, Classical/*physiology ; Learning/*physiology ; Motor Neurons/physiology ; Reflex ; Synaptic Transmission
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Vasoactive intestinal polypeptide-like substance: the potential transmitter for cerebral vasodilation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-25
    Description: In vitro pharmacological studies demonstrated that exogenously applied vasoactive intestinal polypeptide (VIP) relaxes the smooth muscle cells of cat cerebral arteries, whereas substance P constricts them. Ultrastructural-immunocytochemical techniques show that a VIP-like substance is present in the large granular vesicles of nonsympathetic nerve axons and terminals in the cerebral arterial walls. These results provide strong evidence in favor of the hypothesis that a VIP-like substance is the transmitter for vasodilation in cerebral blood vessels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, T J -- Saito, A -- Berezin, I -- BRSG S07RR0543/RR/NCRR NIH HHS/ -- HL 27763/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 May 25;224(4651):898-901.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719122" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cats ; Cerebral Arteries/drug effects ; *Cerebrovascular Circulation ; In Vitro Techniques ; Vasoactive Intestinal Peptide/pharmacology/*physiology ; *Vasodilation ; Vasomotor System/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Activation of pontine cholinergic sites implicated in unconsciousness following cerebral concussion in the cat (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-20
    Description: Low levels of cerebral concussion in the cat produce reversible behavioral suppression presumably associated with unconsciousness. This injury is also associated with increased rates of glucose utilization in regions within the dorsomedial pontine tegmentum. Microinjection of carbachol into these regions produced behavioral suppression resembling that following concussion. These data, together with previously published observations on cholinergic responses to brain injury, suggest that concussive unconsciousness may be attributable in part to activation of cholinergic pontine sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayes, R L -- Pechura, C M -- Katayama, Y -- Povlishock, J T -- Giebel, M L -- Becker, D P -- NS 12587/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Jan 20;223(4633):301-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701514" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atropine/pharmacology ; Brain Concussion/*physiopathology ; Carbachol/pharmacology ; Cats ; Cholinergic Fibers/*physiopathology ; Deoxyglucose/metabolism ; Pons/metabolism/*physiopathology ; Tetracaine/pharmacology ; Unconsciousness/*physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Telemetered electromyography of forelimb muscle chains in gibbons (Hylobates lar) (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-09
    Description: Electromyographic studies of brachiation in the gibbon controvert deductions, based on dissection, about the purported functions of muscle chains in the hylobatid forelimb. Neither force conduction distally along the components of the chains nor simultaneity of muscular contraction occurs in brachiation. Rather, the unique structure of the forelimb is probably the result of evolved changes in the short head of biceps brachii to enhance its role as a forearm flexor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jungers, W L -- Stern, J T Jr -- New York, N.Y. -- Science. 1980 May 9;208(4444):617-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367886" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Arm/*physiology ; Behavior, Animal/physiology ; Electromyography/instrumentation ; Hominidae/*physiology ; Hylobates/*physiology ; *Locomotion ; Muscle Contraction ; Muscles/*physiology ; Telemetry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Cerebral arteriolar damage by arachidonic acid and prostaglandin G2 (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-12
    Description: Application of arachidonic acid or prostaglandin G(2) to the brain surface of anesthetized cats induced cerebral arteriolar damage. Scavengers of free oxygen radicals inhibited this damage. Prostaglandin H(2), prostaglandin E(2), and 11,14,17-eicosatrienoic acid did not produce arteriolar damage. It appears that increased prostaglandin synthesis produces cerebral vascular damage by generating free oxygen radicals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kontos, H A -- Wei, E P -- Povlishock, J T -- Dietrich, W D -- Magiera, C J -- Ellis, E F -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1242-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403881" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachidonic Acids/*pharmacology ; Arterioles/drug effects/pathology ; Cats ; Cerebral Arteries/*drug effects/pathology ; Endothelium/drug effects/pathology ; Hypertension/*pathology ; Prostaglandin Endoperoxides/*pharmacology ; Prostaglandins E/pharmacology ; Prostaglandins G/*pharmacology ; Prostaglandins H/pharmacology ; Vasodilation/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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