Biological Psychology Commons^™

Sex Differences In The Dopaminergic Regulation Of Courtship, But Not Pairing Behaviors In Zebra Finches, Erin Marie Lowrey

Wayne State University Theses

Dopamine is one of the key ingredients in the glue that cements social bonds in vertebrates. The D2 dopamine receptor has been implicated in the regulation of monogamous pair bonding in the prairie vole. While dopamine affects courtship behaviors in the male zebra finch, the behavioral role of dopamine acting at D2 receptors in both males and females deserves further attention. We hypothesized that the D2 receptor would regulate courtship and pairing behaviors in the male and female zebra finch. Sixteen males and females were tested using a repeated measures design. On day 1, the zebra finches were injected with …

Effects Of Sex, Free Testosterone, And Androgen Receptor Cag Repeat Number On Spatial Cognition And Virtual Navigation Performance, Nicole Therese Nowak

Wayne State University Dissertations

The male advantage typically found on some measures of spatial cognition (e.g., mental rotations) has been approached for three decades from the perspective that androgens contribute to this sex difference. To date, evidence to support the notion that androgens affect spatial cognition in healthy young individuals is balanced by evidence to the contrary. The present study sought to clarify the association between androgens and spatial performance by extending our measurements of androgenicity to include both a measure of circulating testosterone as well as a receptor-specific marker.

The aims of this dissertation were to assess the effects of sex, testosterone, and …