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achondroplasia

n. a form of autosomal dominant dwarfism in which the bones derived from cartilage develop at a slower rate than the bones derived from connective tissue. This results in an enlarged cranial vault and abnormally high forehead. Motor development of infants with this disorder may be slow, but in most cases intelligence is normal. Also called achondroplastic dwarfism. —achondroplastic adj.

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Psychology term of the day

May 9th 2024

groupthink

groupthink

n. a strong concurrence-seeking tendency that interferes with effective group decision making. Symptoms include apparent unanimity, illusions of invulnerability and moral correctness, biased perceptions of the outgroup, interpersonal pressure, self-censorship, and defective decision-making strategies. Causes are thought to include group cohesion and isolation, poor leadership, and the stress involved in making decisions. [identified by Irving L. Janis]