Anatomical and Functional Regions of the Cerebrum

Question 1

Cortical Divisions

• Each cerebral hemisphere consists of ___ lobes
• Lobes divided by _______ or ______ of ______

– Markers vary across individuals

• Lobes covered by _____: thin sheet of neuronal cell bodies and dendrites covering cerebrum and cerebellum
• Anatomical structures are ______ ________
• Functional areas have _______ ________

Answer 1

5

sulci or projections of sulci

cortex

bilaterally symmetrical

contralateral homologues

Question 2

Frontal Lobe Boundaries

• Anterior / Rostral lobe

– _____ ______ is frontal pole

– Posterior border – central sulcus and medial line extending from ______ _____ to _____ ______

– Medial border – _______ _______

– ______ _______ – Sylvian or lateral sulcus

Answer 2

Anterior border

central sulcus to cingulate gyrus

Cingulate sulcus

Lateral border

Question 3

Frontal Lobe Anatomy

• Lateral View

– Precentral ____ (BA 4)

– Precentral ____ (BA 6)

– Inferior, middle and superior frontal gyrus

• _____ _____ ______ includes pars opercularis, triangularis and orbitalis
• Opercularis and triangularis _______

Answer 3

sulcus

gyrus

Inferior frontal gyrus

compose

Question 4

Medial Frontal Lobe

• Extension of _____ sulcus
• Note superior frontal gyrus
• ______ gyrus and sulcus
• Paracentral ______ & central sulcus

Answer 4

central

Cingulate

lobule