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Related Concept Videos

Parkinson's Disease: Treatment01:24

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Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
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Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
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Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of...
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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation
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Balance dysfunction in Parkinson's disease.

Steno Rinalduzzi1, Carlo Trompetto2, Lucio Marinelli2

  • 1Neurology and Neurophysiopathology, Sandro Pertini Hospital, Via Monti Tiburtini 385, 00157 Rome, Italy.

Biomed Research International
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Summary
This summary is machine-generated.

Parkinson's disease (PD) disrupts automatic postural control, affecting balance and mobility. This review examines how PD impairs sensorimotor functions critical for stability and safe movement.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Clinical Neurology

Background:

  • Functional motor activities rely on automatic regulation of muscle activity.
  • Postural control integrates multisensory information for motor adjustments.
  • Parkinson's disease (PD) frequently impairs these sensorimotor systems.

Purpose of the Study:

  • To review the multifaceted ways Parkinson's disease impacts posture and balance.
  • To consolidate existing experimental evidence on PD-related postural deficits.

Main Methods:

  • Literature review of experimental studies on Parkinson's disease and postural control.
  • Analysis of sensorimotor integration and its disruption in PD.

Main Results:

  • Postural instability is a primary disabling symptom in Parkinson's disease.
  • PD causes multilevel impairments affecting balance control.
  • Disrupted sensorimotor control contributes significantly to disability in PD patients.

Conclusions:

  • Parkinson's disease profoundly affects the complex mechanisms of posture and balance.
  • Impaired balance control in PD exacerbates physical and psychosocial disability.
  • Understanding these impairments is crucial for managing PD symptoms.