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Related Experiment Videos

Calcium: bivalent cation in the bivalent psychoses.

J S Carman, R J Wyatt

    Biological Psychiatry
    |April 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Cerebrospinal fluid (CSF) calcium levels inversely correlate with mood and agitation. Manipulating serum calcium through diet or supplements like DHT and calcitonin impacts these levels and associated psychiatric symptoms.

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    Area of Science:

    • Neurochemistry
    • Psychiatry
    • Endocrinology

    Background:

    • Cerebrospinal fluid (CSF) calcium decreases are linked to mood elevation and motor activity in treated depression.
    • Agitation and mania are associated with decreased CSF calcium, while their onset can involve transient serum calcium increases.

    Purpose of the Study:

    • To investigate the relationship between serum and CSF calcium levels.
    • To explore the potential role of calcium and phosphorus ion shifts in triggering manic behavior.
    • To evaluate the effects of manipulating calcium levels on psychiatric symptoms.

    Main Methods:

    • Observational analysis of CSF calcium in relation to mood and treatment.
    • Intervention studies involving dietary calcium restriction, calcium lactate supplementation, Dihydrotachysterol (DHT), and synthetic salmon calcitonin (SCT).

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  • Monitoring of serum calcium, phosphorus, and psychiatric symptomatology, including motor activity and agitation.

    • Main Results:

    • Dietary calcium restriction mitigated serum calcium rises and agitated episodes.
    • DHT administration increased serum calcium and phosphorus, triggering opposite CSF calcium shifts and worsening mania.
    • Synthetic salmon calcitonin (SCT) decreased serum calcium and phosphorus, increased CSF calcium, reduced agitation, and augmented depression.

    Conclusions:

    • Serum and CSF calcium levels exhibit an inverse relationship, influencing mood and agitation.
    • Modulating serum calcium, particularly through vitamin D analogues like DHT or hormones like calcitonin, can significantly impact psychiatric states.
    • Calcium homeostasis plays a crucial role in the pathophysiology of mood disorders and agitation.