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Articles 781 - 810 of 884

Full-Text Articles in Behavioral Neurobiology

Enhanced Vulnerability To The Rewarding Effects Of Nicotine During The Adolescent Period Of Development, Laura O'Dell Jan 2008

Enhanced Vulnerability To The Rewarding Effects Of Nicotine During The Adolescent Period Of Development, Laura O'Dell

Departmental Papers (Psych)

No abstract provided.


A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Lori Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts Sep 2007

A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Lori Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts

Selected Works Temporary Series

No abstract provided.


A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts Sep 2007

A Role For The Forebrain In Mediating Time-Of-Day Differences In Glucocorticoid Counterregulatory Responses To Hypoglycemia In Rats, Gorton, Arshad Khan, Maryann Bohland, Graciela Sanchez-Watts, Casey Donovan, Alan Watts

Departmental Papers (Biology)

No abstract provided.


Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Arshad Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts Jul 2007

Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Arshad Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts

Selected Works Temporary Series

No abstract provided.


Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts Jul 2007

Catecholaminergic Control Of Mitogen-Activated Protein Kinase Signaling In Paraventricular Neuroendocrine Neurons In Vivo And In Vitro: A Proposed Role During Glycemic Challenges, Khan, Todd Ponzio, Graciela Sanchez-Watts, B. Stanley, Glenn Hatton, Alan Watts

Departmental Papers (Biology)

No abstract provided.


Brainstem Cholinergic Modulation Of Muscle Tone In Infant Rats, Andrew J. Gall, Amy Poremba, Mark S. Blumberg Jun 2007

Brainstem Cholinergic Modulation Of Muscle Tone In Infant Rats, Andrew J. Gall, Amy Poremba, Mark S. Blumberg

Faculty Publications

In week-old rats, lesions of the dorsolateral pontine tegmentum (DLPT) and nucleus pontis oralis (PnO) have opposing effects on nuchal muscle tone. Specifically, pups with DLPT lesions exhibit prolonged bouts of nuchal muscle atonia (indicative of sleep) and pups with PnO lesions exhibit prolonged bouts of high nuchal muscle tone (indicative of wakefulness). Here we test the hypothesis that nuchal muscle tone is modulated, at least in part, by cholinergically mediated interactions between these two regions. First, in unanesthetized pups, we found that chemical infusion of the cholinergic agonist carbachol (22 mM, 0.1 µL) within the DLPT produced high muscle …


Adolescent Nicotine Exposure Produces Less Affective Measures Of Withdrawal Relative To Adult Nicotine Exposure In Male Rats, Laura O'Dell Jan 2007

Adolescent Nicotine Exposure Produces Less Affective Measures Of Withdrawal Relative To Adult Nicotine Exposure In Male Rats, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Crf–Crf1 System Activation Mediates Withdrawal-Induced Increases In Nicotine Self-Administration In Nicotine-Dependent Rats., Laura O'Dell Jan 2007

Crf–Crf1 System Activation Mediates Withdrawal-Induced Increases In Nicotine Self-Administration In Nicotine-Dependent Rats., Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Diminished Nicotine Withdrawal In Adolescent Rats: Implications For Vulnerability To Addiction, Laura O'Dell Jan 2007

Diminished Nicotine Withdrawal In Adolescent Rats: Implications For Vulnerability To Addiction, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


“Nicotine Deprivation Effect” In Rats With Intermittent 23-Hour Access To Intravenous Nicotine Self-Administration, Laura O'Dell Jan 2007

“Nicotine Deprivation Effect” In Rats With Intermittent 23-Hour Access To Intravenous Nicotine Self-Administration, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Viral Vector-Induced Amygdala Npy Overexpression Reverses Increased Alcohol Intake Caused By Repeated Deprivations In Wistar Rats, Laura O'Dell Jan 2007

Viral Vector-Induced Amygdala Npy Overexpression Reverses Increased Alcohol Intake Caused By Repeated Deprivations In Wistar Rats, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Effects Of Insular Cortex Lesions On Conditioned Taste Aversion And Latent Inhibition In The Rat, Christopher T. Roman, Steve Reilly Jan 2007

Effects Of Insular Cortex Lesions On Conditioned Taste Aversion And Latent Inhibition In The Rat, Christopher T. Roman, Steve Reilly

Scholarship and Professional Work – COPHS

The present study tested the hypothesis that lesions of the insular cortex of the rat retard the acquisition of conditioned taste aversions (CTAs) because of an impairment in the detection of the novelty of taste stimuli. Demonstrating the expected latent inhibition effect, nonlesioned control subjects acquired CTAs more rapidly when the conditioned stimulus (0.15% sodium saccharin) was novel rather than familiar (achieved by pre-exposure to the to-be-conditioned taste cue). However, rats with insular cortex lesions acquired taste aversions at the same slow rate regardless of whether the saccharin was novel or familiar. The pattern of behavioural deficits obtained cannot be …


Crf–Crf1 System Activation Mediates Withdrawal-Induced Increases In Nicotine Self-Administration In Nicotine-Dependent Rats., Laura O'Dell Jan 2007

Crf–Crf1 System Activation Mediates Withdrawal-Induced Increases In Nicotine Self-Administration In Nicotine-Dependent Rats., Laura O'Dell

Departmental Papers (Psych)

No abstract provided.


Adolescent Nicotine Exposure Produces Less Affective Measures Of Withdrawal Relative To Adult Nicotine Exposure In Male Rats, Laura O'Dell Jan 2007

Adolescent Nicotine Exposure Produces Less Affective Measures Of Withdrawal Relative To Adult Nicotine Exposure In Male Rats, Laura O'Dell

Departmental Papers (Psych)

No abstract provided.


Viral Vector-Induced Amygdala Npy Overexpression Reverses Increased Alcohol Intake Caused By Repeated Deprivations In Wistar Rats, Laura O'Dell Jan 2007

Viral Vector-Induced Amygdala Npy Overexpression Reverses Increased Alcohol Intake Caused By Repeated Deprivations In Wistar Rats, Laura O'Dell

Departmental Papers (Psych)

No abstract provided.


Bad Nature, Bad Nurture, And Testimony Regarding Maoa And Slc6a4 Genotyping In Murder Trials, Nita A. Farahany, William Bernet, Cindy L. Vnencak-Jones, Stephen A. Montgomery Jan 2007

Bad Nature, Bad Nurture, And Testimony Regarding Maoa And Slc6a4 Genotyping In Murder Trials, Nita A. Farahany, William Bernet, Cindy L. Vnencak-Jones, Stephen A. Montgomery

Faculty Scholarship

Recent research—in which subjects were studied longitudinally from childhood until adulthood—has started to clarify how a child’s environment and genetic makeup interact to create a violent adolescent or adult. For example, male subjects who were born with a particular allele of the monoamine oxidase A gene and also were maltreated as children had a much greater likelihood of manifesting violent antisocial behavior as adolescents and adults. Also, individuals who were born with particular alleles of the serotonin transporter gene and also experienced multiple stressful life events were more likely to manifest serious depression and suicidality. This research raises the question …


“Nicotine Deprivation Effect” In Rats With Intermittent 23-Hour Access To Intravenous Nicotine Self-Administration, Laura O'Dell Jan 2007

“Nicotine Deprivation Effect” In Rats With Intermittent 23-Hour Access To Intravenous Nicotine Self-Administration, Laura O'Dell

Departmental Papers (Psych)

No abstract provided.


The Role Of Bdnf Within The Medial Prefrontal Cortex On Relapse To Cocaine-Seeking Behavior, William J. Berglind Jan 2007

The Role Of Bdnf Within The Medial Prefrontal Cortex On Relapse To Cocaine-Seeking Behavior, William J. Berglind

MUSC Theses and Dissertations

Glutamatergic pyramidal cells arising from the prefrontal cortex (PFC) are critical mediators of reinstatement to cocaine-seeking. A potent modulator of PFC activity is brain derived neurotrophic factor (BDNF), a molecule that has been implicated in the regulation of glutamatergic neurotransmission. In this study, the role of BDNF in the PFC was investigated in an animal model of cocaine addiction. First, a cocaine-induced decrease in BDNF mRNA within the PFC was documented following 22 h of abstinence, followed by an increase in BDNF protein expression within the PFC following 21 d of extinction training. Second, an intra-PFC infusion of BDNF attenuated …


Winter Behavior Of Big Brown Bats (Eptesicus Fuscus) In A Building Roost: Intermittent Feeding, Passive Rewarming, And Energy Conservation, Amy L. Fairbairn Dec 2006

Winter Behavior Of Big Brown Bats (Eptesicus Fuscus) In A Building Roost: Intermittent Feeding, Passive Rewarming, And Energy Conservation, Amy L. Fairbairn

All-Inclusive List of Electronic Theses and Dissertations

I investigated the use of torpor and arousals during winter of 2005 - 2006 by freeliving big brown bats (Eptesicus fuscus) by measuring skin temperature (remotely using data loggers) and used those measurements to estimate winter energy expenditure. Torpor bouts lasted for a mean of 3 .3 days ( d) with a mean of 3 .6 d and 2.2 d for males and females, respectively. There was no correlation between ambient temperature (Ta) during torpor and torpor bout length, but there was a significant correlation between Ta and length of the active period. Arousals lasted on average 5.0 hours (h). …


Interval Timer Control Of Puberty In Photoinhibited Siberian Hamsters, Ho Park Jin, Alexander S. Kauffman, Matthew J. Paul, Matthew P. Butler, Annaliese K. Beery, Ruth M. Costantini, Irving Zucker Oct 2006

Interval Timer Control Of Puberty In Photoinhibited Siberian Hamsters, Ho Park Jin, Alexander S. Kauffman, Matthew J. Paul, Matthew P. Butler, Annaliese K. Beery, Ruth M. Costantini, Irving Zucker

Neuroscience: Faculty Publications

Puberty, which is markedly delayed in male Siberian hamsters (Phodopus sungorus) born into short day lengths, is controlled by an interval timer regulated by the duration of nocturnal melatonin secretion. Properties of the interval timer were assessed by perturbing normal patterns of melatonin secretion in males gestated and maintained thereafter in 1 of 2 short day lengths, 10 h light/day (10L) or 12L. Melatonin secretion of short-day hamsters was suppressed by constant light treatment or modified by daily injection of propranolol to mimic nocturnal melatonin durations typical of long-day hamsters. Constant light treatment during weeks 3 to 5 induced early …


In Situ Muscle Power Differs Without Varying In Vitro Mechanical Properties In Two Insect Leg Muscles Innervated By The Same Motor Neuron, Anna N. Ahn, Kenneth Meijer, Robert J. Full Sep 2006

In Situ Muscle Power Differs Without Varying In Vitro Mechanical Properties In Two Insect Leg Muscles Innervated By The Same Motor Neuron, Anna N. Ahn, Kenneth Meijer, Robert J. Full

All HMC Faculty Publications and Research

The mechanical behavior of muscle during locomotion is often predicted by its anatomy, kinematics, activation pattern and contractile properties. The neuromuscular design of the cockroach leg provides a model system to examine these assumptions, because a single motor neuron innervates two extensor muscles operating at a single joint. Comparisons of the in situ measurements under in vivo running conditions of muscle 178 to a previously examined muscle (179) demonstrate that the same inputs (e.g. neural signal and kinematics) can result in different mechanical outputs. The same neural signal and kinematics, as determined during running, can result in different mechanical functions, …


Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Alan Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner May 2006

Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Alan Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner

Selected Works Temporary Series

No abstract provided.


Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner May 2006

Activation In Neural Networks Controlling Ingestive Behaviors: What Does It Mean, And How Do We Map And Measure It?, Watts, Arshad Khan, Graciela Sanchez-Watts, Dawna Salter, Christina Neuner

Departmental Papers (Biology)

No abstract provided.


Behavioral And Neurochemical Responses To Cocaine In Periadolescent And Adult Rats, Laura O'Dell Jan 2006

Behavioral And Neurochemical Responses To Cocaine In Periadolescent And Adult Rats, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Corticotropin-Releasing Factor Within The Central Nucleus Of The Amygdala Mediates Enhanced Ethanol Self-Administration In Ethanol-Dependent Rats During Withdrawal., Laura O'Dell Jan 2006

Corticotropin-Releasing Factor Within The Central Nucleus Of The Amygdala Mediates Enhanced Ethanol Self-Administration In Ethanol-Dependent Rats During Withdrawal., Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Biphasic Alterations In Serotonin1b (5-Ht1b) Receptor Function During Abstinence From Extended Cocaine Self-Administration, Laura O'Dell Jan 2006

Biphasic Alterations In Serotonin1b (5-Ht1b) Receptor Function During Abstinence From Extended Cocaine Self-Administration, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Diminished Nicotine Withdrawal In Adolescent Rats: Implications For Vulnerability To Addiction, Laura O'Dell Jan 2006

Diminished Nicotine Withdrawal In Adolescent Rats: Implications For Vulnerability To Addiction, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Extended Access To Nicotine Self-Administration Leads To Dependence: Circadian Measures, Withdrawal Measures, And Extinction Behavior In Rats, Laura O'Dell Jan 2006

Extended Access To Nicotine Self-Administration Leads To Dependence: Circadian Measures, Withdrawal Measures, And Extinction Behavior In Rats, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Unlimited Access To Heroin Self-Administration: Independent Motivational Markers Of Opiate Dependence, Laura O'Dell Jan 2006

Unlimited Access To Heroin Self-Administration: Independent Motivational Markers Of Opiate Dependence, Laura O'Dell

Selected Works Temporary Series

No abstract provided.


Effects Of Lesions Of The Bed Nucleus Of The Stria Terminalis, Laterual Hypothalamus, Or Insular Cortex On Conditioned Taste Aversion And Conditioned Odor Aversion, Christopher T. Roman, Nino Nebieridze, Aristides Sastre, Steve Reilly Jan 2006

Effects Of Lesions Of The Bed Nucleus Of The Stria Terminalis, Laterual Hypothalamus, Or Insular Cortex On Conditioned Taste Aversion And Conditioned Odor Aversion, Christopher T. Roman, Nino Nebieridze, Aristides Sastre, Steve Reilly

Scholarship and Professional Work – COPHS

The effects of permanent forebrain lesions on conditioned taste aversions (CTAs) and conditioned odor aversions (COAs) were examined in 3 experiments. In Experiment 1, lesions of the bed nucleus of the stria terminalis had no influence on CTA or COA acquisition. Although lesions of the lateral hypothalamus induced severe hypodipsia in Experiment 2, they did not prevent the acquisition of CTAs or COAs. Finally, in Experiment 3, lesions of the insular cortex retarded CTA acquisition but had no influence on COA acquisition. The implications of these findings are discussed with regard to the forebrain influence on parabrachial nucleus function during …