Results 81 to 90 of about 478,697 (222)

Participação da substância cinzenta periaquedutal dorso-lateral na modulação do efeito ansiogênico do pentilenotetrazol em ratos submetidos ao labirinto em cruz elavado [PDF]

open access: yes, 2005
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em Farmacologia.Estudos prévios demonstraram que a administração sistêmica de [pentilenotetrazol] (PTZ) causa uma redução da exploração dos ...
Anzini, Cláudia
core  

Other title: Inset title: Entrance to Mobile Bay

open access: yes, 1884
Copyright, 1878, by O.W. Gray & Son; Bottom margin center: Philadelphia : O.W. Gray & Son; Right margin: 82, 83; Prime meridians: Washington and Greenwich.; Marked off in ranges and townships.; Relief shown by hachures and soundings.; Inset: Entrance to ...
Gray, Frank A.
core   +1 more source

Targeting peroxynitrite production in a model of persistent temporomandibular disorder comorbid with migraine

open access: yesBritish Journal of Pharmacology, Volume 183, Issue 21, Page 6371-6385, November 2026.
Background and Purpose The persistence of temporomandibular disorders (TMDs), particularly myogenous, in a person with migraine can lead to exacerbated clinical outcomes and limited response to treatment. The pro‐nociceptive reactive nitroxidative species, peroxynitrite, is involved in migraine mechanisms, but little is known of its role in this ...
Simon Akerman   +4 more
wiley   +1 more source

Trochlear nerve in periaqueductal gray

open access: yes, 1997
Trochlear nerve in periaqueductal gray. Transverse plane.

core  

Participação dos receptores NMDA/GLYb da substância cinzenta periaquedutal dorsal na mediação do comportamento defensivo de ratos [PDF]

open access: yes, 2002
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-Graduação em Farmacologia.No presente trabalho procuramos entender melhor o papel da [substância cinzenta periaquedutal dorsal] (SCPd) nos ...
Teixeira, Karina Valerim
core  

Neuropeptide Y—Graphene Oxide Complexes Inhibit Amygdala NPY‐Receptor Expressing Glutamatergic Pathways and Selectively Remove Aversive Memory In Vivo

open access: yesAdvanced Science, Volume 13, Issue 56, 9 October 2026.
A graphene oxide nanocarrier presents neuropeptide Y specifically to NPY receptor‐expressing pathways in the amygdala, whose activation selectively suppresses aversive memory formation, without modulating anxiety responses. This circuit‐restricted drug release strategy may impact future design of neuropsychiatric therapies with limited off‐target ...
Elisa Pati   +10 more
wiley   +1 more source

Increased metabolic activity in the septum and habenula during stress is linked to subsequent expression of learned helplessness behavior

open access: yesFrontiers in Human Neuroscience, 2014
Uncontrollable stress can have a profound effect on an organism’s ability to respond effectively to future stressful situations. Behavior subsequent to uncontrollable stress can vary greatly between individuals, falling on a spectrum between healthy ...
Martine M Mirrione   +10 more
doaj   +1 more source

Gabapentinoids‐duloxetine combination therapy for chronic pain: A mechanism oriented rational to bridge theoretical knowledge and real life setting

open access: yesBritish Journal of Clinical Pharmacology, Volume 92, Issue 10, Page 3333-3353, October 2026.
Chronic pain represents a complex debilitating condition that extends beyond the protective function of physiological pain, often persisting as an independent disease entity. Chronic primary and secondary pain syndromes reflect a multifaceted continuum involving nociceptive, neuropathic and nociplastic mechanisms.
Stefania Nobili   +6 more
wiley   +1 more source

Microstructural alterations in the periaqueductal gray matter and hypothalamic connectivity in patients with refractory chronic cluster headache

open access: yesHeadache Medicine
Introduction Cluster headache is one of the most severe and disabling forms of primary headache disorder. Recent studies have demonstrated a pathophysiological association with specific neural structures, particularly the hypothalamus, which is ...
Clarissa da Paixão Barboza Salgado   +3 more
doaj   +2 more sources

Ventrolateral periaqueductal gray neurons prioritize threat probability over fear output

open access: yeseLife, 2019
Faced with potential harm, individuals must estimate the probability of threat and initiate an appropriate fear response. In the prevailing view, threat probability estimates are relayed to the ventrolateral periaqueductal gray (vlPAG) to organize fear ...
Kristina M Wright, Michael A McDannald
doaj   +1 more source

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