Methods for Evaluating Sensory, Affective and Cognitive Disorders in Neuropathic Rodents

Area of Science:

• Neuroscience
• Pharmacology
• Animal Behavior

Background:

• Neuropathic pain research relies on animal models that mimic human symptoms.
• Existing models primarily focus on sensory deficits like allodynia and hyperalgesia.
• Affective and cognitive comorbidities, common in human neuropathic pain, are also observed in animal models.

Purpose of the Study:

• To review and describe common rodent tests for assessing sensory, affective, and cognitive symptoms in neuropathic pain models.
• To guide researchers in selecting appropriate behavioral tests for their studies.
• To emphasize the importance of maintaining unaffected motor activity in chosen models.

Main Methods:

• Review of scientific literature on established behavioral tests used in neuropathic pain research.
• Focus on tests commonly employed in the scientific community.
• Consideration of tests that measure sensory, affective, and cognitive behaviors in rodents.
• Emphasis on the necessity of preserving normal motor function in the animal models.

Main Results:

• Several behavioral tests are available for evaluating sensory, affective, and cognitive domains in neuropathic pain models.
• Tests often rely on measuring animal motor activity, necessitating models with preserved motor function.
• The review synthesizes information on widely used methodologies for comprehensive pain assessment.

Conclusions:

• Accurate assessment of sensory, affective, and cognitive symptoms in animal models is vital for advancing neuropathic pain research.
• Selection of appropriate behavioral tests is critical for reliable data acquisition.
• This review provides a valuable resource for researchers to choose the most suitable tests for their specific needs.