Motivation and Psychological Stress

Miller, Neal E.

doi:10.1007/978-1-4612-5692-2_14

The Physiological Mechanisms of Motivation 1982

DOI: 10.1007/978-1-4612-5692-2_14

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Motivation and Psychological Stress

Neal E. Miller¹

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1985

1994

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Cited by 4 publications

(1 citation statement)

References 34 publications

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“…Motivational and sensorimotor concepts are used in behavioral neuroscience to refer to different aspects of behavior. Motivational concepts generally refer to aspects such as affective displays, the homeostatic coordination of diverse inputs and outputs, dynamic spontaneity, and flexible means–ends readiness to achieve goals (e.g., Epstein, 1982; Fentress, 1983; Gallistel, 1980; Miller, 1982; Teitelbaum, 1977; Teitelbaum, Schallert, & Whishaw, 1983; Toates, 1986). Sensorimotor terms , on the other hand, typically denote integrations that create linkages between specific sensory modalities and motor systems.…”

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confidence: 99%

Motivational-sensorimotor interaction controls aphagia and exaggerated treading after striatopallidal lesions.

Berridge¹,

Cromwell²

1990

Behavioral Neuroscience

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This study examined the relationship between sensorimotor and motivational functions of the corpus striatum. In rats, excitotoxic lesions of the corpus striatum (neostriatum and globus pallidus) caused by kainic or quisqualic acid can produce both aversive aphagia and a "choreic" sensorimotor syndrome: an exaggerated treading of the forepaws that is triggered by oral sensory stimulation. Experiment 1 used a recovery-of-function approach to show that (a) aphagia induced by ventroposterior striatopallidal lesions was accompanied by an enhancement of aversion (a specific motivational process) to sweet stimuli, which was expressed in taste reactivity measures of affective evaluation; (b) aphagia and enhanced aversion recovered together; and (c) exaggerated treading did not disappear with aphagia-aversion but narrowed the range of its eliciting trigger to sour and bitter stimuli. Experiment 2 used a partial lesion approach to show that this dissociation of enhanced aversion and exaggerated treading could be reproduced by smaller lesions immediately after striatopallidal damage. Experiment 3 used a conditioned aversion procedure to show that the stimulus for exaggerated treading was aversion (natural or conditioned) and not a simple sensory feature of oral stimulation. Three conclusions were made: (a) Exaggerated treading after a small lesion or after partial recovery from a larger one results from a restructuring of a sensorimotor relations that is nested within a system of aversive reaction, (b) exaggerated treading is elicited only by tastes that elicit natural or conditioned aversion, and (c) more extensive lesions potentiate aversion to tastes that are normally palatable and expand the range of treading elicitors to include those tastes. In other words, affective and sensorimotor systems interact in a hierarchial manner in the production of choreic treading. These results demonstrate a specific hierarchical link between motivational and sensorimotor functions mediated by striatopallidal circuits.

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confidence: 99%

Motivational-sensorimotor interaction controls aphagia and exaggerated treading after striatopallidal lesions.

Berridge¹,

Cromwell²

1990

Behavioral Neuroscience

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Effects of emotional stress on the immune system

Miller

1985

Pav. J. Biol. Sci.

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The role of central oxytocin in obsessive compulsive disorder and related normal behavior

Leckman

Goodman

North

et al. 1994

Psychoneuroendocrinology

119

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Motivation and Psychological Stress

Cited by 4 publications

References 34 publications

Motivational-sensorimotor interaction controls aphagia and exaggerated treading after striatopallidal lesions.

Motivational-sensorimotor interaction controls aphagia and exaggerated treading after striatopallidal lesions.

Effects of emotional stress on the immune system

The role of central oxytocin in obsessive compulsive disorder and related normal behavior

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