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Full-Text Articles in Psychology

Biological Siblings: Can You Trust Them With Your Mate?, Elisha Barron Dec 2020

Biological Siblings: Can You Trust Them With Your Mate?, Elisha Barron

Electronic Theses, Projects, and Dissertations

Recent studies suggest that genes may influence human mate preferences. What would this mean for same-sex siblings who share genes? Might they also share mate preferences and engage in mate poaching or would social norms and strong sibling bonds discourage such behaviors? We hypothesized that siblings would perceive their mate preferences to be more similar to their sibling’s than to an average person of their same gender. It was also hypothesized that the association between perceived sibling mate preferences and sibling mate poaching would be moderated by sibling closeness and sibling competition. Additionally, it was hypothesized that sibling mate competition …


Scope Of Attention Variation As A Function Of Anxiety And Depression, Kathleen O'Donnell Jun 2020

Scope Of Attention Variation As A Function Of Anxiety And Depression, Kathleen O'Donnell

Electronic Theses, Projects, and Dissertations

As a social species, correct emotional perception is so vital, that the human brain has evolved a mechanism to control attentional choices by exerting a narrowed field of perception during danger, called the scope of attention (SoA). The SoA determines what information will be focused on or ignored by blocking the perception of non-relevant items and increasing selective focus on danger; even if danger is merely a sad-face. The emotional items blocked from perception cannot be remembered because they were never perceived. But, attention-control to emotional stimuli also varies with mood, as seen in mood-disorders. A mood-disorder’s effect upon the …