Telencephalon – Telencephalon
7
Clinical notes
Phylogenetically, the telencephalon is the most rostral part of the CNS. It is derived
from the prosencephalon and contains the highest number of neurons. The paired
hemispheres have gyri and the surface corresponds to the cortex (grey matter con-
sisting of neurons). The main functions of the telencephalon represent consciousness,
sensation, voluntary movements, and cognitive functions (memory, concentration,
etc.).
The surface of the brain cortex in
adults covers almost 0,25 m
2
.
The cerebrum is a synonym for the
telencephalon. The encephalon is a
synonym for the whole brain toge-
ther with the brain-stem and cere-
bellum.
Outstanding mathematicians have
a well-developed left angular gyrus
and cortex around the intraparietal
sulcus.
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