Paleospinothalamic Pathway

Question 1

Most of the 1st order paleospinothalamic nociceptive C fibers make synaptic connections in layer II of the spinal cord, known as what?

Answer 1

SUBSTANTIA GELATINOSA

Question 2

The __________________ tract consists of several tracts. Each of them makes a synaptic connection in different locations.

Answer 2

PALEOSPINOTHALAMIC

Question 3

What type of reaction to pain does the paleospinothalamic pathway mediate?

Answer 3

EMOTIONAL (limbic)
+
AUTONOMIC (hypothalamus)

These areas include the INSULAR CORTEX and the
ANTERIOR CINGULATE CORTEX

Question 4

Name the 2 areas of the brain which the paleospinothalamic pathway also activates - from which descending pain suppression pathways originate?

Answer 4

AMYGDALAE
+
PERIAQUEDUCTAL GRAY

Question 5

Name the portion of the cerebral cortex folded deep within the lateral sulcus?

Answer 5

INSULA
aka
INSULAR CORTEX
aka
INSULAR LOBE

Question 6

Name the brain part involved in functions including compassion and empathy, perception, motor-control, self awareness, cognitive functioning, and interpersonal experience?

Answer 6

INSULA
aka
INSULAR CORTEX
aka
INSULAR LOBE

Question 7

The _______ resembles a collar surrounding the frontal part of the corpus callosum.

Answer 7

ACC

ANTERIOR CINGULATE CORTEX

Question 8

What does the ACC (anterior cingulate cortex) play a high role in?

Answer 8

REWARD ANTICIPATION
\+
DECISION MAKING
\+
ETHICS and MORALITY
\+
IMPULSE CONTROL

Question 9

Name the primary control centre for descending pain modulation?

Answer 9

PAG

PERIAQUEDUCTAL GRAY

Question 10

Where is the target for brain stimulating implants placed in patients with chronic pain?

Answer 10

PAG

PERIAQUEDUCTAL GRAY

Question 11

The _______________ are brain structures that are essential for decoding emotions in other mammals and threatening environmental stimuli.

Answer 11

AMYGDALAE

many of body’s alarm circuits