Search Results - "Astur, Robert"

Approach bias for erotic stimuli among heterosexual female college students who use pornography by Sklenarik, Skyler, Potenza, Marc N., Gola, Mateusz, Astur, Robert S.

“…•Female pornography users show an approach bias for erotic stimuli during an Approach-Avoidance Task.•This approach bias was positively correlated with…”
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Avoidance biases for vaping stimuli among college students with electronic-cigarette use by Sklenarik, Skyler M, Potenza, Marc N, Astur, Robert S

“…Previous research has suggested that individuals who smoke demonstrate a behavioral tendency to approach rather than avoid smoking-related stimuli (i.e.,…”
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Estradiol effects on spatial memory in women by Patel, Soniya Assudani, Frick, Karyn M., Newhouse, Paul A., Astur, Robert S.

“…To examine the role of estradiol in hippocampal-dependent spatial memory in women, 86 female undergraduates were tested in a virtual Morris water task (VMWT),…”
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Conditioned place preferences for virtual alcohol cues by Sklenarik, Skyler M., Burrows, Christopher N., Astur, Robert S.

“…This study examined whether a conditioned place preference (CPP) could be established for a virtual reality (VR) room that previously contained virtual alcohol…”
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The Effect of Acute Nicotine Administration on Human Delay Cued and Context Fear Conditioning by Palmisano, Alexandra N., Gould, Thomas J., Astur, Robert S.

“…Nicotine has been shown to facilitate hippocampal-dependent context fear conditioning (FC), but not hippocampal-independent delay cued fear conditioning…”
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Avoidance tendencies toward cannabis stimuli in a college sample by Sklenarik, Skyler, Potenza, Marc N., Astur, Robert S.

“…Individuals with addictions often exhibit approach bias, or the relatively automatic action tendency to approach rather than avoid addiction-related stimuli…”
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Nicotine Facilitation of Conditioned Place Preference to Food Reward in Humans by Palmisano, Alexandra N., Astur, Robert S.

“…Nicotine has recently been shown to enhance the motivational value of non-nicotine stimuli in nonhumans. To investigate whether nicotine also enhances reward…”
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Virtual reality conditioned place preference using monetary reward by Childs, Emma, Astur, Robert S., de Wit, Harriet

“…•We examined acquisition and extinction of a conditioned place preference for virtual rooms paired with monetary reward in healthy young adults.•Participants…”
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Human sex differences in solving a virtual navigation problem by Astur, Robert S., Purton, Andrea J., Zaniewski, Melanie J., Cimadevilla, Jose, Markus, Etan J.

“…•We examined sex differences in strategies used to solve a virtual reality T-maze task.•Males show a significant advantage in solving the task after one trial…”
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Conditioned place preferences in humans using virtual reality by Astur, Robert S., Carew, Andrew W., Deaton, Bonnie E.

“…•We created a virtual reality conditioned place preference task to use with humans.•A strong place preference exists for a room previously paired with food…”
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Spatial memory deficits in a virtual reality eight-arm radial maze in schizophrenia by Spieker, Elena A, Astur, Robert S, West, Jeffrey T, Griego, Jacqueline A, Rowland, Laura M

“…Abstract Learning and memory impairments are present in schizophrenia (SZ) throughout the illness course and predict psychosocial function. Abnormalities in…”
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The effects of nicotine on conditioning, extinction, and reinstatement in humans by Palmisano, Alexandra N., Hudd, Eleanor C., McQuade, Courtney M., de Wit, Harriet, Astur, Robert S.

“…Nicotine has been shown to enhance the reinforcement and reward-responsiveness of non-nicotine stimuli. To determine whether nicotine enhances the strength of…”
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Sex differences and correlations in a virtual Morris water task, a virtual radial arm maze, and mental rotation by Astur, Robert S, Tropp, Jennifer, Sava, Simona, Constable, R.Todd, Markus, Etan J

“…Different tasks are often used to assess spatial memory in humans compared to nonhumans. In order to bridge this paradigmatic gap, we used a within-subject…”
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Approach bias for erotic stimuli in heterosexual male college students who use pornography by Sklenarik, Skyler, Potenza, Marc N, Gola, Mateusz, Kor, Ariel, Kraus, Shane W, Astur, Robert S

“…Background and aims. Addicted individuals often demonstrate relatively automatic action tendencies in response to addiction-related stimuli, whereby they…”
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Sex differences in visual-spatial learning using a virtual water maze in pre-pubertal children by Newhouse, Paul, Newhouse, Christopher, Astur, Robert S.

“…Gonadal steroid effects during puberty are often hypothesized to account for the male advantage seen in certain spatial tasks. One spatial task where males…”
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Feature-based attentional set as a cause of traffic accidents by Most, Steven B., Astur, Robert S.

“…Voluntary and relatively involuntary subsystems of attention often compete. On one hand, people can intentionally "tune" attention for features that then…”
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Relationships between drinking quantity and frequency and behavioral and hippocampal BOLD responses during working memory performance involving allocentric spatial navigation in college students by Banz, Barbara C., Worhunsky, Patrick D., Pittman, Brian P., Astur, Robert S., Tennen, Howard A., Raskin, Sarah A., Austad, Carol S., Wood, Rebecca M., Fallahi, Carolyn R., Potenza, Marc N., Pearlson, Godfrey D.

“…•The virtual Morris Water Task (vMWT) assesses allocentric spatial working memory.•Drinking quantity related to prefrontal cortical activation during vMWT…”
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Alcohol dose effects on brain circuits during simulated driving: An fMRI study by Meda, Shashwath A., Calhoun, Vince D., Astur, Robert S., Turner, Beth M., Ruopp, Kathryn, Pearlson, Godfrey D.

“…Driving while intoxicated remains a major public health hazard. Driving is a complex task involving simultaneous recruitment of multiple cognitive functions…”
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Conditioned place preferences in humans using secondary reinforcers by Astur, Robert S., Palmisano, Alexandra N., Carew, Andrew W., Deaton, Bonnie E., Kuhney, Franchesca S., Niezrecki, Rachel N., Hudd, Ellie C., Mendicino, Kelly L., Ritter, Christopher J.

“…•We examined conditioning to a virtual room paired with arbitrary point rewards.•Participants rated the points-paired room as significantly more…”
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Humans with hippocampus damage display severe spatial memory impairments in a virtual Morris water task by Astur, Robert S, Taylor, Laughlin B, Mamelak, Adam N, Philpott, Linda, Sutherland, Robert J

“…For nonhumans, it has been shown that the hippocampus (HPC) is critical for spatial memory. We tested patients with unilateral HPC resections on a virtual…”
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