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  • Visual Attention in Birds and Primates
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Visual Attention in Birds and Primates

Visual Attention in Birds and Preditors

Animals are continuously bombarded with visual information from their environment. Due to neural processing limitations, animals must selectively filter this information by directing their attention to relevant information while ignoring the rest. We study how animals employ visual attention in complex sensory environments to make decisions that influence their survival and reproduction.

bird with sensors

A Songbird Inhibits Blinking Behaviour in Flight

Visual attention plays a fundamental role in avian flight but attention is likely limited whenever birds blink. Because blinks are necessary to maintaining proper vision, we tested the hypothesis that birds strategically inhibit their blinks in flight. The blinks of captive great-tailed grackles (Quiscalus mexicanus) were recorded before, during and after they flew a short distance in an open environment. The grackles spent the least amount of time blinking in flight (take-off, during flight and landing) and the most amount of time blinking at impact. Their blinking behaviour was similar before and after flight. These results suggest that grackles strategically inhibit their blinking behaviour in flight, potentially because blinks impose costs to avian flight.

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https://yorzinskilab.org/wp-content/uploads/2021/02/Image_A2-FI.jpeg 223 275 Academic Web Pages /wp-content/themes/awp-enfold/blank.png Academic Web Pages2021-01-01 13:59:082021-02-15 15:57:12A Songbird Inhibits Blinking Behaviour in Flight
partner attractiveness scan

Mate-choice Copying in Humans

Mate-choice copying occurs when animals rely on the mating choices of others to inform their own mating decisions but the proximate mechanisms underlying mate choice copying remain unknown. To address this question, we tracked the gaze of men and women as they viewed a series of photographs in which a potential mate was pictured beside an opposite-sex partner; the participants then indicated their willingness to engage in a long-term relationship with each potential mate. We found that both men and women expressed more interest in engaging in a relationship with a potential mate if that mate was paired with an attractive partner. Men and women’s attention to partners varied with partner attractiveness and this gaze attraction influenced their subsequent mate choices. These results highlight the prevalence of non-independent mate choice in humans and implicate social attention and reward circuitry in these decisions.

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https://yorzinskilab.org/wp-content/uploads/2021/02/Image_A1-FI.png 223 275 Academic Web Pages /wp-content/themes/awp-enfold/blank.png Academic Web Pages2010-01-01 13:57:012021-02-15 16:05:52Mate-choice Copying in Humans

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Department of Ecology and Conservation Biology
208 Wildlife, Fisheries and Ecological Sciences Building
Texas A&M University
534 John Kimbrough Boulevard
College Station, TX 77843-2258
979.845.3692
jyorzinski@tamu.edu
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