BMB 1 - Brain & Spinal Cord Flashcards
How many neurons does the brain have?
80 - 100 billion
The brain uses what percent of the body’s O2, ATP, blood supply?
20%
Ventral in the brain is the same as _________ (alternate name for the same direction).
Ventral in the spinal cord is the same as _________ (alternate name for the same direction).
Ventral in the brain is the same as inferior.
Ventral in the spinal cord is the same as anterior.

Dorsal in the brain is the same as _________ (alternate name for the same direction).
Dorsal in the spinal cord is the same as _________ (alternate name for the same direction).
Dorsal in the brain is the same as superior.
Dorsal in the spinal cord is the same as posterior.

From your left to your right, give the names of each of these three cuts.

Transverse;
coronal;
mid-saggital
True/False.
The unfolded brain (i.e. the gyri and sulci all stretched out) is about the size of a car.
False.
More like a pizza.
The brain ‘hills’ are called ______, and the ‘valleys’ are called ______.
The brain ‘hills’ are called gyri, and the ‘valleys’ are called sulci.
Are cells in the cerebral cortex typically myelinated or unmyelinated?
Unmyelinated
What are the main functions of the frontal lobe?
Motor + higher cognitive functions
What are the main functions of the parietal lobe?
Somatosensory processing
What are the main functions of the temporal lobe?
Auditory processing,
memory,
language understanding
What are the main functions of the occipital lobe?
Visual processing
What are the main functions of the insula lobe?
Taste processing;
some elements of visceral pain processing, consciousness, empathy, compassion, self-awareness, and more…
Which cortical lobe is most associated with memory?
Temporal
What sulcus separates the frontal lobes from the parietal lobes?
What sulcus separates the frontal and parietal lobes from the temporal lobes?
What sulcus is in the mid-saggital line between the two brain hemispheres?
The central sulcus;
the lateral (Sylvian) fissure;
the longitudinal fissure
What cortical structure lies between the outer cortex and the corpus callosum?
The cingulate gyrus

The insula lobe can be exposed by removing what portion of the cerebral cortex?
The anterior portion of the temporal lobe
Identify the functions of the following Brodmann areas:
8 -
6 -
4 -
Identify the functions of the following Brodmann areas:
8 - Frontal eye fields
6 - Premotor cortex
4 - Primary motor cortex

Identify the functions of the following Brodmann areas:
3 -
1 -
2 -
Identify the functions of the following Brodmann areas:
3 - Primary somatosensory cortex
1 - Primary somatosensory cortex
2 - Primary somatosensory cortex

Identify the functions of the following Brodmann areas:
17 -
22 -
41 -
Identify the functions of the following Brodmann areas:
17 - Primary visual cortex
22 - Auditory association cortex (Wernicke’s area)
41 - Primary auditory cortex (with 42)

Identify the functions of the following Brodmann areas:
42 -
45 -
44 -
Identify the functions of the following Brodmann areas:
42 - Primary auditory cortex
45 - Broca’s area (in dominant hemisphere only)
44 - Broca’s area (in dominant hemisphere only)

Identify the functions of the following Brodmann areas:
9 -
10 -
11 -
12 -
Identify the functions of the following Brodmann areas:
9 - Prefrontal cortex
10 - Prefrontal cortex
11 - Prefrontal cortex
12 - Prefrontal cortex

Identify the Brodmann area(s) associated with each of the following cerebral structures:
Premotor cortex -
Primary motor cortex -
Identify the Brodmann area(s) associated with each of the following cerebral structures:
Premotor cortex - 6
Primary motor cortex - 4

Identify the Brodmann area(s) associated with each of the following cerebral structures:
Frontal eye fields -
Primary somatosensory cortex -
Identify the Brodmann area(s) associated with each of the following cerebral structures:
Frontal eye fields - 8
Primary somatosensory cortex - 3, 1, 2











































