𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Non-linearities of temporal summation in neurones in area 17 of the cat

✍ Scribed by D. J. Tolhurst; N. S. Walker; I. D. Thompson; A. F. Dean


Publisher
Springer-Verlag
Year
1980
Tongue
English
Weight
520 KB
Volume
38
Category
Article
ISSN
0014-4819

No coin nor oath required. For personal study only.

✦ Synopsis


Sinusoidal temporal modulation of the contrast of sinusoidal gratings has been used to provide one description of the temporal properties of neurones in area 17 of the cat's visual cortex. Concurrently, the waveforms of the neurones' responses to 2 s flashes of identical gratings were examined. In most neurones, the response to the long flash was much more transient than would be expected from the shape of the temporal-frequency tuning curve. Temporal summation in cortical neurones is non-linear.


πŸ“œ SIMILAR VOLUMES


The depth distribution of optimal stimul
✍ B. B. Lee; K. Albus; P. Heggelund; M. J. Hulme; O. D. Creutzfeldt πŸ“‚ Article πŸ“… 1977 πŸ› Springer-Verlag 🌐 English βš– 886 KB

Neurones recording during penetrations through cat area 17 as near parallel to the radial fibre bundles as possible have been quantitatively tested as to their optimal orientation. Optimal orientation within any one penetration was similar though considerable variability was observed. Histological r

Receptive field types of area 18 neurone
✍ G. A. Orban; M. Callens πŸ“‚ Article πŸ“… 1977 πŸ› Springer-Verlag 🌐 English βš– 1000 KB

In cats, 131 area 18 units with receptive fields 10-50 degrees from the visual axis, were recorded and tested with moving stimuli. These stimuli included light slits, dark bars, single edges, gratings and a random square pattern. 94% of the units were responsive to visual motion. 106 neurones could

Influence of movement parameters on area
✍ G. A. Orban; M. Callens πŸ“‚ Article πŸ“… 1977 πŸ› Springer-Verlag 🌐 English βš– 999 KB

In cats, 107 area 18 neurones with identified FR type, 10-50 degrees from the visual axis, were tested for the influence of direction, velocity and amplitude of movement. These three parameters are believed to be the primary parameters of a movement analysing system. 94% of the neurones were influen