Johannes Weyer Rejected the Four Humors Theory of Mental Illness

question 98

True/False

Johannes Weyer rejected the four humors theory of mental illness and claimed that mental illness resulted from disturbances of the spiritus vitae.

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Definitions:

Purely Competitive Firm

A market structure where firms are price takers and sell homogeneous products with many buyers and sellers, leading to perfect competition.

Economic Profit

The contrast between a company's overall receipts and its full charges, considering both palpable and inferred costs.

Long Run

A time period in economics during which all factors of production and costs are variable, allowing for all adjustments to be made to achieve an equilibrium.

Competitive Increasing-cost Industry

An industry in which the entry of new firms causes the input prices to increase, leading to upward-sloping supply curves for the firms.