Answer:
ANTEROGRADE AMNESIA
Explanation:
Head trauma is any serious injury that causes great distress to the body, often resulting from accidents. It can varies from mild to severe.
Let look at Hideo’s case
Symptoms include:
Loses of certain memories
Inability to remember the incident from the crash and preceding few months of his life.
Ability to remember childhood memories
From the above information, Hideo is suffering from ANTEROGRADE AMNESIA.
ANTEROGRADE AMNESIA is the inability to form memories for a period of time after a car accident, leading the individual not to remember a period of time after the traumatic head injury but long term memories( e.g childhood memories) still remains intact.