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QLDPsychologyQuick questions
Unit 3: Individual thinking
Quick questions on Brain trauma and neurological disorders: acquired brain injury, aphasia and recovery (QCE Psychology Unit 3)
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is types of acquired brain injury?Show answer
Acquired brain injury (ABI) refers to any brain damage that occurs after birth, as opposed to congenital conditions. It is divided into two types.
What are neurological disorders?Show answer
Neurological disorders are diseases of the nervous system that progressively or suddenly impair cognition. Examples include Alzheimer's disease, which degrades memory through neuronal loss in the hippocampus and cortex; Parkinson's disease, which affects movement through loss of dopamine-producing neurons; and epilepsy, where abnormal electrical activity can disrupt consciousness and, in severe cases, has historically been treated by severing the corpus callosum (producing split-brain patients).
What is recovery through neuroplasticity?Show answer
The brain is not fixed, and after injury it attempts to recover function through neuroplasticity, the same mechanism that supports learning.
What is putting it together for an exam?Show answer
A strong answer names the type of injury, links the damaged region to the specific deficit using a named example, and explains recovery through a named plastic mechanism. For example: a stroke (non-traumatic ABI) damaging Broca's area causes non-fluent aphasia, and rehabilitation supports recovery as surviving neurons sprout new connections that gradually take over speech production.
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