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  2. Penetrating head injury - Wikipedia

    en.wikipedia.org/wiki/Penetrating_head_injury

    The injury in penetrating brain trauma is mostly focal (that is, it affects a specific area of tissue). [2] Studies with PET scanning and transcranial Doppler imaging have shown that changes in cerebral blood flow, such as hypoperfusion and vasospasm, can follow penetrating head injury. [5] These changes can last for two weeks. [5]

  3. Frontal lobe injury - Wikipedia

    en.wikipedia.org/wiki/Frontal_lobe_injury

    A single test, such as the WCST, cannot be used to measure the effects of a frontal lobe injury, or the aspects of cognitive function it may affect, such as working memory; variety of tests must be used. A subject may be good at one task but show dysfunction in executive function overall. Similarly, test results can be made misleading after ...

  4. Traumatic brain injury - Wikipedia

    en.wikipedia.org/wiki/Traumatic_brain_injury

    Traumatic brain injury is defined as damage to the brain resulting from external mechanical force, such as rapid acceleration or deceleration, impact, blast waves, or penetration by a projectile. [10] Brain function is temporarily or permanently impaired and structural damage may or may not be detectable with current technology. [11]

  5. Head injury - Wikipedia

    en.wikipedia.org/wiki/Head_injury

    While impact on the brain at the same site of injury to the skull is the coup effect. If the impact causes the head to move, the injury may be worsened, because the brain may ricochet inside the skull causing additional impacts, or the brain may stay relatively still (due to inertia) but be hit by the moving skull (both are contrecoup injuries).

  6. Cerebral contusion - Wikipedia

    en.wikipedia.org/wiki/Cerebral_contusion

    Cerebral contusion (Latin: contusio cerebri), a form of traumatic brain injury, is a bruise of the brain tissue. [2] Like bruises in other tissues, cerebral contusion can be associated with multiple microhemorrhages, small blood vessel leaks into brain tissue. Contusion occurs in 20–30% of severe head injuries. [3]

  7. Brain injury - Wikipedia

    en.wikipedia.org/wiki/Brain_injury

    Brain injuries have far-reaching and varied consequences due to the nature of the brain as the main source of bodily control. Brain-injured people commonly experience issues with memory. [15] This can be issues with either long or short-term memories depending on the location and severity of the injury.

  8. These before and after photos show the real effects of ... - AOL

    www.aol.com/news/2016-05-01-these-before-and...

    The main side effects heroin causes on appearance according to New Health Advisor are: Weight loss due to loss of appetite, or because a heroin abuser may not prioritize eating Painful abscesses ...

  9. Closed-head injury - Wikipedia

    en.wikipedia.org/wiki/Closed-head_injury

    Closed-head injury is a type of traumatic brain injury in which the skull and dura mater remain intact. Closed-head injuries are the leading cause of death in children under 4 years old and the most common cause of physical disability and cognitive impairment in young people.