Figure 8: A.
Intracellular recordings from cat somatosensory cortex, showing early and
late responses to stimulation of the contralateral face (arrows). In the top
trace the cell fires a single impulse initially, followed by 2 impulses (dot)
at the end of the IPSP. In the lower trace there is no initial discharge but
2 impulses (dot) after the IPSP. From Hellweg et al.50 with permission.
B. Averaged
impulse activity at different depths of monkey somatosensory cortex, following
electrical stimulation of the contralateral hand. In each trace the late activity
(arrowed) is greater than the early activity, especially in the two most superficial
recordings. From Kulics and Cauller52 with permission. C. Camera lucida
drawing of the cell body and processes of a pyramidal neurone in layer V of
the mouse cortex. The arrows identify recurrent axonal branches. From Lorente
de Nó53 with permission.
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