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Regeneration and Retention of Acquired Information
In the present paper consideration will be given to the question of whether acquired habits can survive the process of tissue renewal in planarians. Regeneration involves retention in the sense thatExpand
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Effect of Ribonuclease on Retention of Conditioned Response in Regenerated Planarians
Conditioned planarians were transected and allowed to regenerate in a ribonuclease solution or in pond water. Heads which had regenerated in ribonuclease displayed a retention level equal to that ofExpand
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Chemistry of Learning
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Invertebrate learning and behavior taxonomies
It is difficult to reconcile formal learning theories with the intricate, complex, and adaptive organism-environment transactions which we observe in invertebrates. While it may turn out that theExpand
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Platyhelminthes: The Turbellarians
Interest in the phylogenetic development of learning capacities must lead to heavy emphasis on the flatworm, since it is the primitive turbellarian form Acoela which is widely accepted asExpand
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Retention of a position discrimination after regeneration in planarians
When planarians are trained in a right-left discrimination and then sectioned, both the anterior and posterior portions demonstrate retention of the discrimination after regeneration. In subsequentExpand
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Cardioregulatory properties of the abdominal ganglia in Limulus.
The abdominal ganglia of the Limulus central nervous system exert a net inhibitory effect on heart rate. This influence is mediated mainly by the dorsal nerves in the first three ganglia. When the ...
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Frontal and non-frontal lobe neuropsychological test performance and clinical symptomatology in schizophrenia.
Schizophrenic subjects performed significantly worse on neuropsychological tests of frontal lobe function but not on tests of non-frontal lobe function when compared to a matched group of normalExpand
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Coherence on electroencephalography and aberrant functional organisation of the brain in schizophrenic patients during activation tasks.
Thirty schizophrenic patients (20 medicated, 10 off medication) were compared with 30 normal control subjects matched for age, sex, handedness, and intelligence. During the performance ofExpand
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Cardioinhibitor nerves in Limulus
When dorsal nerves 7 or 8 arising from the Limulus accessory brain are sectioned, cardioacceleration results; direct stimulation of these nerves produces cardioinhibition. These findings demonstrateExpand
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