Search Results - "GERDJIKOV, Todor V"

Cholinergic midbrain afferents modulate striatal circuits and shape encoding of action strategies by Dautan, Daniel, Huerta-Ocampo, Icnelia, Gut, Nadine K., Valencia, Miguel, Kondabolu, Krishnakanth, Kim, Yuwoong, Gerdjikov, Todor V., Mena-Segovia, Juan

“…Assimilation of novel strategies into a consolidated action repertoire is a crucial function for behavioral adaptation and cognitive flexibility. Acetylcholine…”
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Segregated cholinergic transmission modulates dopamine neurons integrated in distinct functional circuits by Dautan, Daniel, Souza, Albert S, Huerta-Ocampo, Icnelia, Valencia, Miguel, Assous, Maxime, Witten, Ilana B, Deisseroth, Karl, Tepper, James M, Bolam, J Paul, Gerdjikov, Todor V, Mena-Segovia, Juan

“…The authors show how dopamine neurons operate in the context of cholinergic transmission and find that the afferents originating from two functionally distinct…”
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Thalamic inputs to dorsomedial striatum are involved in inhibitory control: evidence from the five-choice serial reaction time task in rats by Saund, Jasjot, Dautan, Daniel, Rostron, Claire, Urcelay, Gonzalo P., Gerdjikov, Todor V.

“…Rationale Corticostriatal circuits are widely implicated in the top-down control of attention including inhibitory control and behavioural flexibility…”
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Extrinsic Sources of Cholinergic Innervation of the Striatal Complex: A Whole-Brain Mapping Analysis by Dautan, Daniel, Hacioğlu Bay, Husniye, Bolam, J Paul, Gerdjikov, Todor V, Mena-Segovia, Juan

“…Acetylcholine in the striatal complex plays an important role in normal behavior and is affected in a number of neurological disorders. Although early studies…”
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Discrimination of Vibrotactile Stimuli in the Rat Whisker System: Behavior and Neurometrics by Gerdjikov, Todor V., Bergner, Caroline G., Stüttgen, Maik C., Waiblinger, Christian, Schwarz, Cornelius

“…Understanding the neural code underlying perception requires the mapping of physical stimulus parameters to both psychophysical decisions and neuronal…”
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Global Tactile Coding in Rat Barrel Cortex in the Absence of Local Cues by Gerdjikov, Todor V, Bergner, Caroline G, Schwarz, Cornelius

“…Abstract Although whisker-related perception is based predominantly on local, near-instantaneous coding, global, intensive coding, which integrates the…”
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Phosphodiesterase type 1 inhibition alters medial prefrontal cortical activity during goal-driven behaviour and partially reverses neurophysiological deficits in the rat phencyclidine model of schizophrenia by Hayes, Jessica, Laursen, Bettina, Eneberg, Elin, Kehler, Jan, Rasmussen, Lars Kyhn, Langgard, Morten, Bastlund, Jesper F., Gerdjikov, Todor V.

“…Positive modulation of cAMP signalling by phosphodiesterase (PDE) inhibitors has recently been explored as a potential target for the reversal of cognitive and…”
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Synchronization in the prefrontal–striatal circuit tracks behavioural choice in a go–no‐go task in rats by Stubbendorff, Christine, Molano‐Mazon, Manuel, Young, Andrew M.J., Gerdjikov, Todor V.

“…Rodent striatum is involved in sensory‐motor transformations and reward‐related learning. Lesion studies suggest dorsolateral striatum, dorsomedial striatum…”
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Altered cortico-striatal crosstalk underlies object recognition memory deficits in the sub-chronic phencyclidine model of schizophrenia by Asif-Malik, Aman, Dautan, Daniel, Young, Andrew M. J., Gerdjikov, Todor V.

“…The neural mechanisms underlying cognitive deficits in schizophrenia are poorly understood. Sub-chronic treatment with the NMDA antagonist phencyclidine (PCP)…”
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Place preference induced by nucleus accumbens amphetamine is impaired by local blockade of Group II metabotropic glutamate receptors in rats by Gerdjikov, Todor V, Beninger, Richard J

“…The nucleus accumbens (NAc) plays a critical role in amphetamine-produced conditioned place preference (CPP). In previous studies, NAc basal and…”
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The head-fixed behaving rat-Procedures and pitfalls by Schwarz, Cornelius, Hentschke, Harald, Butovas, Sergejus, Haiss, Florent, Stüttgen, Maik C., Gerdjikov, Todor V., Bergner, Caroline G., Waiblinger, Christian

“…This paper describes experimental techniques with head-fixed, operantly conditioned rodents that allow the control of stimulus presentation and tracking of…”
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Populations of striatal medium spiny neurons encode vibrotactile frequency in rats: modulation by slow wave oscillations by Hawking, Thomas G, Gerdjikov, Todor V

“…Dorsolateral striatum (DLS) is implicated in tactile perception and receives strong projections from somatosensory cortex. However, the sensory representations…”
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Rhythmic whisking area (RW) in rat primary motor cortex: an internal monitor of movement-related signals? by Gerdjikov, Todor V, Haiss, Florent, Rodriguez-Sierra, Olga E, Schwarz, Cornelius

“…Vibrissae-related sensorimotor cortex controls whisking movements indirectly via modulation of lower-level sensorimotor loops and a brainstem central pattern…”
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Amphetamine-induced enhancement of responding for conditioned reward in rats: interactions with repeated testing by Gerdjikov, Todor V., Baker, Tyson W., Beninger, Richard J.

“…Rationale The mesolimbic dopamine system underlies the ability of reward-related stimuli to control operant behavior. Previous work has shown that amphetamine…”
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Place Preference Induced by Nucleus Accumbens Amphetamine Is Impaired by Antagonists of ERK or p38 MAP Kinases in Rats by Gerdjikov, Todor V, Ross, Gregory M, Beninger, Richard J

“…The nucleus accumbens (NAc) plays a role in conditioned place preference (CPP). The authors tested the hypothesis that inhibition of mitogen-activated protein…”
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Discrimination of Vibrotactile Stimuli in the Rat Whisker System: Behavior and Neurometrics by Gerdjikov, Todor V., Bergner, Caroline G., Stüttgen, Maik C., Waiblinger, Christian, Schwarz, Cornelius

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The role of signaling molecules in reward-related incentive learning by Beninger, Richard J, Gerdjikov, Todor

“…Reward-related incentive learning involves the acquisition by neutral stimuli of an enhanced ability to elicit approach and other responses. Previous studies…”
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Nucleus accumbens PKA inhibition blocks acquisition but enhances expression of amphetamine-produced conditioned activity in rats by GERDJIKOV, Todor V, GILES, Andrew C, SWAIN, Shelley N, BENINGER, Richard J

“…The nucleus accumbens (NAc) plays a central role in dopamine-produced reward-related learning. In previous studies, the cyclic adenosine…”
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Differential effects of calcineurin inhibition and protein kinase A activation on nucleus accumbens amphetamine-produced conditioned place preference in rats by Gerdjikov, Todor V., Beninger, Richard J.

“…The nucleus accumbens (NAc) plays a critical role in amphetamine‐produced conditioned place preference (CPP). In previous studies inhibition or activation of…”
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Positive and negative regulators of nucleus accumbens amphetamine-produced conditioned place preference in rats by Gerdjikov, Todor V

“…The rewarding properties of amphetamine in rats can be demonstrated using conditioned place preference (CPP). The nucleus accumbens (NAc) plays a critical role…”
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