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Figure F.1
Growth in Publishing Activity about Sexual Orientation

Growth in scholarly and scientific journal articles (solid bars) that present evidence regarding
biological influences upon the development of sexual orientation. Open bars indicate cri-
tiques, essays, critical reviews, and commentaries appearing in the same category of jour-
nals. Compiled from PsychLit and Psych Abstracts databases. Published research articles
appearing in refereed journals indexed by Psych Abstracts and PsychLit were scanned for
all references, including biological terms (genetics, genes, hormones, brain, neurological,
biological, etc.) and terms related to sexual orientation (such as homosexual/ity, gay, les-
bian, sexual orientation, partner preferences, etc.). Fully 243 articles met the research ar-
ticle-report criteria, while another 91 were in the critique, commentary, letters, nonempirical
category. Note that this is a general and cursory overview of the literature from only one
discipline database. For exact counts covering all other disciplines, readers are encouraged
to explore the timeline of this literature, including databases incorporating the medical,
history, and philosophy literature.

cial and tabula rasa schemes to a model involving biological-environmental
interactions, it is becoming increasingly clear that biology has a powerful
role to play in the development of sexuality and sexual orientation. Not a
simple deterministic role--but one incorporating the subtle but effective in-
teractions of genetics, neural development, environment, and socialization.
Eventually, even this notion--regarded as wild, unprincipled speculation a
few decades ago--has become commonplace and mainstream. Such a para-

-xvii-

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Publication Information: Book Title: Sexual Orientation: Toward Biological Understanding. Contributors: Lee Ellis - editor, Linda Ebertz - editor. Publisher: Praeger Publishers. Place of Publication: Westport, CT. Publication Year: 1997. Page Number: xvii.
    
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