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Why is "Westermarck effect" trending?

Latest news, Wikipedia summary, and trend analysis.

Trend Analysis

  • Ranking position: #
  • Date: 2026-05-04 01:34:33

This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.

Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.

Trend Insight

Westermarck_effect entered the ranking for the first time today at position #. This is its highest position ever recorded.

Trend History

This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-04 and was most recently seen on 2026-05-04.

Westermarck effect

Wikipedia Overview

The Westermarck effect, also known as reverse sexual imprinting, is a psychological hypothesis that states that people tend not to be attracted to peers with whom they lived like siblings before the age of six. This hypothesis was first proposed by Finnish anthropologist Edvard Westermarck in his 1891 book, The History of Human Marriage, as one explanation for the incest taboo.

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Search Interest Perspective

Why This Topic Is Trending

This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.

Search Interest & Related Topics

Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.

Search Interest (Past 12 Months)

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