Tag: Amnestic Disorders

Amnestic Disorders

AMNESTIC DISORDERS

Q. 1

A patient developed memory deficit for recent events. Anterograde amnesia is a feature of:

 A

Post-head injury

 B

Stroke

 C

Spinal cord injury

 D

Traumatic paraplegia

Q. 1

A patient developed memory deficit for recent events. Anterograde amnesia is a feature of:

 A

Post-head injury

 B

Stroke

 C

Spinal cord injury

 D

Traumatic paraplegia

Ans. A

Explanation:

Patients seen shortly after head injury exhibit a confusional state in which they are unable to incorporate new memories, is known as anterograde, or posttraumatic amnesia. They may behave in an apparently normal automatic fashion.

Also know:
 
The retrograde amnesia involves an inability to recall experiences that occurred before the onset of the amnestic state.
 
Ref: Greenberg D.A., Aminoff M.J., Simon R.P. (2012). Chapter 5. Dementia & Amnestic Disorders. In D.A. Greenberg, M.J. Aminoff, R.P. Simon (Eds),Clinical Neurology, 8e.

Q. 2

Psychogenic amnesia is characterized by 

 A

Antegrade Amnesia

 B

Retrograde Amnesia

 C

Both with confabulation

 D

Patchy impairment of Personal memories

Q. 2

Psychogenic amnesia is characterized by 

 A

Antegrade Amnesia

 B

Retrograde Amnesia

 C

Both with confabulation

 D

Patchy impairment of Personal memories

Ans. D

Explanation:

D i.e. Patchy impairment of personal memories 

  • Psychogenic (Dissociative) amnesia is commonest clinical type of dissociative disorder. It is characterized by a sudden inability to recall important personal information particularly concerning stressful or traumatic life events.Q

Q. 3

Amnesia is found in

 A

Head injury

 B

Mania

 C

Schizophrenia

 D

Psychiatric state

Q. 3

Amnesia is found in

 A

Head injury

 B

Mania

 C

Schizophrenia

 D

Psychiatric state

Ans. A

Explanation:

A i.e. Head injury

  • Amnesia can be seen after head injuryQ either as a part of concussion injury or as an organic brain syndrome.
  • Other causes of amnesia are
  1.   Organic amnestic syndromes – Dementia, delirium, Korsakoff”s syndromeQ
  2. Dissociative disorder
  3. Transient global amnesia

Type of memory loss in different Organic mental disorders

Memory

Delirium

Dementia

Organic Amnestic syndrome

Immediate memory

 

 

Normal

 

Normal

 

Disturbed

 

Recent memory

Disturbed

 

Disturbed

 

Disturbed

 

Remote memory

Normal

 

Disturbed

 

Disturbed

 

 

 

 



Q. 4

Antegrade amnesia is seen in:      

AIIMS 10

 A

Post-traumatic head injury

 B

Drug induced

 C

Electroconvulsive therapy

 D

Stroke

Q. 4

Antegrade amnesia is seen in:      

AIIMS 10

 A

Post-traumatic head injury

 B

Drug induced

 C

Electroconvulsive therapy

 D

Stroke

Ans. A

Explanation:

Ans. Post-traumatic head injury

Quiz In Between



Amnestic Disorders

AMNESTIC DISORDERS


AMNESTIC DISORDERS

  • Broad category including variety of conditions presenting amnestic syndrome.

Features:

  • Characterized by inability to form new memories (anterograde amnesia) & inability to recall previously remembered knowledge (retrograde amnesia).
  • Short-term & recent memory – Impaired with preservation of remote & immediate memory.

Causes:

Major causes:

  • Thiamine deficiency (Korsakoff syndrome).
  • Hypoglycemia.
  • Primary brain conditions (head trauma, seizures, cerebral tumors, cerebrovascular disease, hypoxia, electroconvulsive therapy, multiple sclerosis).
  • Substance related disorders (alcohol, benzodiazepines).

Exam Important

  • Major causes of amnestic disorders are thiamine deficiency (Korsakoff syndrome), hypoglycemia, primary brain conditions (head trauma, seizures, cerebral tumors, cerebrovascular disease, hypoxia, electroconvulsive therapy, multiple sclerosis).
Don’t Forget to Solve all the previous Year Question asked on AMNESTIC DISORDERS

Module Below Start Quiz

Malcare WordPress Security