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Related Concept Videos

Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

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A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
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Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

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DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
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Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

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Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
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Related Experiment Video

Updated: Apr 30, 2026

Controlled Cortical Impact Model for Traumatic Brain Injury
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Published on: August 5, 2014

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TBI, not just for humans.

Daniel J Tobiansky1,2, Joy S Reidenberg3, Nicole L Ackermans4

  • 1Department of Biology, Providence College, Providence, Rhode Island, USA.

Anatomical Record (Hoboken, N.J. : 2007)
|March 11, 2026
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) research can benefit from studying animals with natural head-impact behaviors. Investigating these non-model species may reveal new insights into brain injury resilience and neurodegenerative diseases.

Keywords:
animal modelscomparative neuroanatomyhead traumaneurodegenerationtranslation

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Last Updated: Apr 30, 2026

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Area of Science:

  • Neuroscience
  • Comparative Biology
  • Biomedical Research

Background:

  • Traumatic brain injury (TBI) is a significant cause of death and disability, with limited therapeutic advancements.
  • Translating findings from traditional animal models to human therapies for TBI has proven challenging.
  • The potential of studying animals with natural head-impact behaviors for TBI research remains largely unexplored.

Purpose of the Study:

  • To highlight the untapped potential of non-model species in understanding traumatic brain injury (TBI).
  • To explore how studying animals with natural head-impact behaviors can inform TBI prevention and treatment.
  • To integrate insights from diverse species into the search for solutions to neurodegeneration.

Main Methods:

  • Review of paleontological and historical evidence of head-hitting behaviors in animals.
  • Anatomical descriptions of exotic species exhibiting head-impact behaviors (e.g., helmeted hornbills, muskoxen).
  • Molecular investigation of resilience pathways against brain injury in species like woodpeckers.

Main Results:

  • Identification of diverse species engaging in natural head-impact behaviors, offering unique models for TBI research.
  • Exploration of potential protective mechanisms against brain injury observed in these animals.
  • Foundational data for future research integrating non-model species into TBI and neurodegeneration studies.

Conclusions:

  • Studying non-model species with natural head-impact behaviors can provide novel insights into acute and chronic TBI effects.
  • Understanding resilience pathways in these animals may lead to new therapeutic strategies for human brain injuries.
  • Integrating evidence-based approaches from comparative biology is crucial for advancing TBI research and addressing the neurodegeneration crisis.