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Full-Text Articles in Life Sciences

Conditioned Territory Defense In Madagascar Hissing Cockroaches (Gromphadorhina Portentosa), Macy R. Albaitis Jan 2022

Conditioned Territory Defense In Madagascar Hissing Cockroaches (Gromphadorhina Portentosa), Macy R. Albaitis

Honors Theses

In male blue gourami fish (Trichogaster trichopterus), signaled presentation of a male rival produces an aggressive conditioned response that results in an increased likelihood of the male winning the contest (Hollis, 1984). I replicated this classic study in a species that also shows territorial aggression: the Madagascar hissing cockroach (MHC; Gromphadorhina portentosa). During training, four adult male MHCs were designated as “CS+” animals and received a light (NS) followed by visual access to a rival male (US). Simultaneously, another group of four adult male MHCs designated as “UNC” animals received the light (NS) and visual access to a …


A Foray Into The Interval Timing Capabilities Of Tufted Capuchin Monkeys (Cebus [Sapajus] Apella), Gryff Griffin Jan 2021

A Foray Into The Interval Timing Capabilities Of Tufted Capuchin Monkeys (Cebus [Sapajus] Apella), Gryff Griffin

Honors Theses

Time is a critical part of life and timing on the range from milliseconds to minutes has proven to be critical for several behaviors such as foraging and movement. While the exact neurological structures of interval timing are currently undefined, several studies have been completed comparing the interval timing capabilities of humans and nonhuman primates. However, these studies have unanimously utilized members of Macaca, which limits the abilities for researchers to make apt comparisons between humans and all nonhuman primates. This study sought to investigate whether tufted capuchins (Cebus [Sapajus] apella) have the capability to measure time …