Sprache und Aphasien

Wernicke - Lichtheim Schema
A, Wernicke's area
B, concept center
M, Broca's area;
a --> A, auditory input to
Wernicke's area
M --> m, motor output from
Broca's area
A --> M, tract connecting
Wernicke's and Broca's
areas
A --> B, pathway essential
for understanding spoken
input
B --> M, pathway essential
for meaningful verbal
output.
Lesions
A, Wernicke's aphasia
M, Broca's aphasia
a --> A, pure word
deafness
M --> m, articulatory
disorder (aphemia)
A --> M, conduction
aphasia
A --> B, transcortical
sensory aphasia
B --> M, transcortical
motor aphasia
30