koro

n. a culture-bound syndrome observed primarily in males in China and southeast Asia. It is an acute anxiety reaction in which the male suddenly fears that his penis is shrinking and will disappear into his abdomen, bringing death. (In females, the fear is focused on the vulva and nipples.) Individuals may also experience shame if they associate the fear with immoral sexual behavior. Also called jinjinia bemar; rok-joo; shook yong; shuk yang; suk-yeong; suo yang.

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Psychology term of the day

February 16th 2025

sun compass

the use of the sun as a directional stimulus in orientation and navigation. Because the sun appears to move across the sky during the day and has different trajectories in different seasons, a sun compass must be coupled with some form of time estimation. To head south at 9 a.m., one needs to keep the sun on the left, but at 3 p.m., one needs to keep the sun on the right. Studies of several species, ranging from bees to fish and birds, have demonstrated a time-compensated sun compass. For nocturnal species, there is evidence of a star compass.