Abstract
On anesthetized adult rats, we examined the possibility that the discharges of spinocerebellar Purkinje cells (PCs) are modulated by passive limb positioning. The rat forelimb was passively placed in four different sagittal positions while the simple spike spontaneous activity of single PCs was recorded; recordings started 5 s after the reaching of the posture and the forelimb remained at each position for at least 30 s. Although the activity of the PCs did not reflect the forelimb position, it showed hysteresis that depended in a cosine fashion on the direction of the preceding movement. This implies that the directional sensitivity of spinocerebellar PCs is persistent, since the activity levels were almost constant throughout the recording time.
| Original language | English |
|---|---|
| Pages (from-to) | 81-84 |
| Number of pages | 4 |
| Journal | Neuroscience Letters |
| Volume | 245 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Apr 3 1998 |
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Keywords
- Cerebellum
- Limb posture
- Neuronal encoding
- Simple spike activity
ASJC Scopus subject areas
- Neuroscience(all)
Cite this
Spinocerebellar Purkinje cells and rat forelimb postures : A direction- dependent activity. / Giaquinta, Genoveffa; Casabona, Antonino; Valle, Maria Stella; Bosco, Gianfranco; Perciavalle, Vincenzo.
In: Neuroscience Letters, Vol. 245, No. 2, 03.04.1998, p. 81-84.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Spinocerebellar Purkinje cells and rat forelimb postures
T2 - A direction- dependent activity
AU - Giaquinta, Genoveffa
AU - Casabona, Antonino
AU - Valle, Maria Stella
AU - Bosco, Gianfranco
AU - Perciavalle, Vincenzo
PY - 1998/4/3
Y1 - 1998/4/3
N2 - On anesthetized adult rats, we examined the possibility that the discharges of spinocerebellar Purkinje cells (PCs) are modulated by passive limb positioning. The rat forelimb was passively placed in four different sagittal positions while the simple spike spontaneous activity of single PCs was recorded; recordings started 5 s after the reaching of the posture and the forelimb remained at each position for at least 30 s. Although the activity of the PCs did not reflect the forelimb position, it showed hysteresis that depended in a cosine fashion on the direction of the preceding movement. This implies that the directional sensitivity of spinocerebellar PCs is persistent, since the activity levels were almost constant throughout the recording time.
AB - On anesthetized adult rats, we examined the possibility that the discharges of spinocerebellar Purkinje cells (PCs) are modulated by passive limb positioning. The rat forelimb was passively placed in four different sagittal positions while the simple spike spontaneous activity of single PCs was recorded; recordings started 5 s after the reaching of the posture and the forelimb remained at each position for at least 30 s. Although the activity of the PCs did not reflect the forelimb position, it showed hysteresis that depended in a cosine fashion on the direction of the preceding movement. This implies that the directional sensitivity of spinocerebellar PCs is persistent, since the activity levels were almost constant throughout the recording time.
KW - Cerebellum
KW - Limb posture
KW - Neuronal encoding
KW - Simple spike activity
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UR - http://www.scopus.com/inward/citedby.url?scp=0032478503&partnerID=8YFLogxK
U2 - 10.1016/S0304-3940(98)00185-2
DO - 10.1016/S0304-3940(98)00185-2
M3 - Article
C2 - 9605490
AN - SCOPUS:0032478503
VL - 245
SP - 81
EP - 84
JO - Neuroscience Letters
JF - Neuroscience Letters
SN - 0304-3940
IS - 2
ER -