Neuroscience Lecture 2 Flashcards
What is a disease?
A particular distinctive PROCESS in the body with a SPECFIC cause and CHARACTERISTIC symptoms.
What is a disorder?
IRREGULARITY, DISTURBANCE or INTERRUPTION of a NORMAL function.
What is Huntington’s Disease also known as?
HUNTINGTON CHOREA
What is Huntington’s Disease associated with?
Abnormal and involuntary movements.
Approximately how many people does Huntington’s Disease effect? Who does it affect?
1/15,000- 1/30,000
Men and Women affected equally.
What is the average age of onset for Huntington’s Disease?
37 years old.
Between ages 30-50.
What does Huntington’s Disease affect?
Mood
Personality
Cognition
Movement.
What type of disorder is Huntington’s Disease? So it effects?
Genetic Disorder.
Autosomal Dominant so one copy of mutant gene and one normal gene on the pair of chromosomes.
In Huntington’s Disease what percentage is expressed in phenotypes of individuals carrying it?
100%
What is the most common form of Alzheimer’s disease?
Dementia
What is Alzheimer’s disease?
The disease is where there is a LOSS of neurons in the brain which is characterised by PLAQUES and TANGLES.
The lost of ___________ is a core feature in Alzheimer’s disease.
Memory
How many people in the UK have Dementia right now?
850,000
How many individuals over the age of 65 and over the age of 80 have dementia right now in the UK?
Over 65- 1/ 14
Over 80- 1/6
What is Parkinson’s disease?
The DEGENERATION of DOPAMINERGIC neurons of the nigro- striatal tract (part of the basal ganglia).
What are the characteristics of Parkinson’s disease? (3)
Slowness of Movement (Bradykinesia)
Temor
Rigidity.
What is Bradykinesia?
Slowness of Movement
What other disease is strongly associated with Parkinson’s disease?
Dementia
For Parkinson’s disease what age is considered as early onset?
Under age of 50.
What are the 2 other names for Motor Neurone Disease?
AMYOTROPHIC LATERAL SCLEROSIS (ALS)
LOU GEHRIG’S DISEASE
What is the most common sub type of Motor Neurone Disease?
ALS
What percentage of Motor Neurone Disease occurs within families?
10%
What is Motor Neurone Disease?
DEGENERATION of MOTOR NEURONS
What are the symptoms of Motor Neurone Disease?
Loss of Muscle Control.
Since symptoms for Motor Neurone Disease are progressive what will this eventually effect?
Eventually affect breathing.
With Motor Neurone Disease, what parts of the body are usually unaffected?
Sense
Mind
What is the lifetime risk for Motor Neurone Disease?
1/300
What age is most common for Motor Neurone Disease to occur?
Over 50 but can occur at any age.
What is a Stroke?
Loss of Blood supply to a region in the brain.
What are the core symptoms of a stroke?
FAST- Face, Arms, Speech and Time,
What is an Ischemic Stroke?
Blood clot BLOCKS blood vessels.