Basal Ganglia

Basal Ganglia:  Questions

1. Caudate and putamen collectively forms the striatum.

Ans: True [Ganong 26^th ed.pg-239

2. Putamen and GP forms lenticular nucleus.

Ans: True. [Ganong 26^th ed .pg-239.

3. Parkinson’s disease is also called as paralysis agitans.

Ans: True [Guyton 11^th ed.pg-711]

4. Putamen circuit has its inputs mainly from parts of the brain               to primary motor cortex and output fibers enter mainly into                  .

Ans: adjacent, primary motor cortex.

5.  -------- extends into all lobes of cerebrum and forming a letter like ‘C’.

Ans: caudate. [Guyton 11^th ed.pg-709

6. ----------is responsible for the psychic drive for motor activity.

Ans: Nucleus Accumbens.

7. Striatal neurons --------the thalamus via the direct pathway.

Ans: excite. [G.K pal.pg- 832]

8. Sydenham’s chorea occurs following --------------infection.

Ans: streptococcal infection

9. Anterior cingulated circuits are important for -----------------

Ans: procedural learning.

10. Abnormal gene responsible for Huntington disease is located in ----------

Ans: short arm of Ch4[Ganong pg-241

1. What is Basal ganglia stroke?

Decreased blood supply to BG.leads to stiff muscles, tremor, memory loss, depression, anxiety etc.Recovery occurs in a month or so, but not every patient recovers on their own. It needs rehabilitation.

2. What is lacunar stroke?

Lacunar stroke –lacunar infarct –occlusion of deep penetrating arteries from circle of Willis.