Results 71 to 80 of about 77,506 (299)
Noradrenergic systems in human cerebellum
Thin, beaded axons, immunostained with antisera to human dopamine beta-hydroxylase (DBH), were present in all layers of the anterior vermis of human cerebellum. This plexus appears similar to that described in rodents and provides information complementary to receptor autoradiographic studies that show significant noradrenergic innervation of mammalian
Daniel T. O'Connor+2 more
openaire +3 more sources
Abstract Background Non‐motor fluctuations, characterized by variability in mood and cognition, are prevalent in advanced Parkinson's disease (PD), but less is known about these fluctuations in early PD. Objective The objective was to characterize fluctuations in cognition and mood in early PD without cognitive impairment.
Abhimanyu Mahajan+4 more
wiley +1 more source
EFFECTS OF VINBLASTINE ON NORADRENERGIC AXONS [PDF]
The effects of vinblastine and 6‐hydroxydopamine (6‐OHDA) on various parameters of adrenergic neurone functions in the rat were examined and compared.During the first 12 h after injection of vinblastine, although the concentration of cardiac noradrenaline was unaltered, the turnover rate of the catecholamine in the heart was reduced to 40 ng g−1h ...
Irwin J. Kopin+2 more
openaire +3 more sources
The noradrenergic theory of Cognitive Reserve (Robertson, 2013–2014) postulates that the upregulation of the locus coeruleus—noradrenergic system (LC–NA) originating in the brainstem might facilitate cortical networks involved in attention, and ...
Emanuele R. G. Plini+9 more
doaj +1 more source
Abstract Background Antiparkinson medications are effective in improving Parkinson's disease (PD) motor symptoms such as bradykinesia, tremor, and rigidity. The impact of antiparkinson medication on gait speed is less clear. Objectives The primary aim was to determine the effects of antiparkinson medication on gait speed in PD. The secondary aim was to
Anson B. Rosenfeldt+10 more
wiley +1 more source
Abstract Background Individual variability in clinical response to dopamine replacement therapy (DRT) is a key barrier to efficacious treatment for patients with Parkinson's disease (PD). A better understanding of the neurobiological sources of such interindividual differences is necessary to personalize DRT prescribing, inform future clinical ...
Alex I. Wiesman+5 more
wiley +1 more source
Interactions between the neuromodulatory systems and the amygdala: exploratory survey using the Allen Mouse Brain Atlas. [PDF]
Neuromodulatory systems originate in nuclei localized in the subcortical region of the brain and control fundamental behaviors by interacting with many areas of the central nervous system.
Krichmar, Jeffrey L, Zaldivar, Andrew
core +1 more source
Abstract Background Fatigue in Parkinson's disease (PD) is a prevalent and debilitating non‐motor symptom. Despite its significant impact on quality of life, the underlying neurochemical and network‐based mechanisms remain poorly understood. Objectives This observational study applied a multimodal imaging approach to explore potential links between the
Ilaria Antonella Di Vico+14 more
wiley +1 more source
Neurobiological Mechanisms That Contribute to Stress-related Cocaine Use [PDF]
The ability of stressful life events to trigger drug use is particularly problematic for the management of cocaine addiction due to the unpredictable and often uncontrollable nature of stress.
Ahmed+149 more
core +2 more sources
ABSTRACT Background Resilience factors are crucial in the progression of neurodegenerative diseases. However, it remains unclear whether a genetic predisposition to cognitive reserve influences clinical heterogeneity in the prognosis of Parkinson's disease (PD).
Young Eun Huh+5 more
wiley +1 more source