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1

Comparison of reinforcing properties of morphine and alcohol for instrumental conditioning in non-addicted rats

100%
Trojniar W.
Acta Physiologica Polonica
|
1979
|
tom 30
|
nr 1
2

Fizjologiczny mechanizm nagrody

75%
Trojniar W.
Kosmos
|
1993
|
tom 42
|
nr 2
365-384
3

Transfer from extero- to interoceptive reinforcement in the course of instrumental conditioning in rats

63%
Trojniar W., Cytawa J.
Acta Neurobiologiae Experimentalis
|
1976
|
tom 36
|
nr 4
4

The effect of stimultaneous intraventricular administration of noradrenaline and dopamine of leteral hypothalamic syndrome in rats

63%
Trojniar W., Luszawska D.
Acta Neurobiologiae Experimentalis
|
1982
|
tom 42
5

Stany przyjemnościowe a warunkowanie instrumentalne

63%
Cytawa J., Trojniar W.
Acta Physiologica Polonica
|
1976
|
tom 27
|
nr Supl.13[6]
6

Hedonesthesia: The nervous process determining motivated ingestive behavior

63%
Cytawa J., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1978
|
tom 38
|
nr 2-3
7

Locomotor response to unilateral VTA stimulation is facilitated by contralateral VTA lesion

63%
Klejbor I., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1995
|
tom 55
|
nr 5
8

Effect of unilateral blockade of VTA dopamine transmission on behavior elicited from contralateral VTA

63%
Klejbor I., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1997
|
tom 57
|
nr 5
9

Interhemispheric organization of the ventral tegmental area stimulation-induced feeding

63%
Staszewska M., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1992
|
tom 52
|
nr 3
10

Morphological substratum of lateral hypothalamic aphagia and adipsia: a mapping study in the rat

63%
Trojniar W., Dytkowska A.
Acta Neurobiologiae Experimentalis
|
1990
|
tom 50
|
nr 6
11

Activation of tachykinin system in the pedunculopontine tegmental nucleus suppresses hippocampal theta rhythm in urethane-anesthetized rats

63%
Leszkowicz E., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2005
|
tom 65
|
nr 4
12

Injections of substance P and its analog, DPDPDT, into the pedunculopontine tegmental nucleus suppresses hippocampal theta rhythm in urethane-anesthetized rats

63%
Leszkowicz E., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2005
|
tom 65
|
nr 3
13

Hedonesthesia as a nervous process vetermining motivated behavior

63%
Cytawa J., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1976
|
tom 36
|
nr 6
14

GABA-ergic mechanism of facilitation of VTA stimulation-induced locomotor response after contralateral VTA lesion

63%
Trojniar W., Klejbor I.
Acta Neurobiologiae Experimentalis
|
1995
|
tom 55
|
nr 5
15

Augmentation of ventral tegmental area stimulation-induced feeding by both stimulation and lesion of the contralateral ventral tegmental area in the rat

63%
Maliszewska-Scislo M., Trojniar W.
Acta Neurobiologiae Experimentalis
|
1999
|
tom 59
|
nr 4
16

Effect of unilateral injection of MK-801 into the area of A10 cells on feeding evoked by stimulation of homologous area in the contralateral hemisphere

63%
Maliszewska-Scislo M., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2000
|
tom 60
|
nr 4
It was found previously that unilateral electrolytic and 6-OHDA lesions of the ventral tegmental area (VTA) and unilateral intra-VTA injection of bicuculline resulted in facilitation of behavioral responses evoked by electrical stimulation of the symmetrical VTA area in the contralateral hemisphere. We postulated that „the contralateral facilitation effect", which may reflect the yet unexplored mechanism of immediate compensation after acute unilateral brain injury, is attributable to the A10 DA neurons and their regulatory inputs. The present study was aimed at examining the possible involvement of NMDA-mediated glutamatergic transmission in VTA in the „contralateral facilitation effect". The behavioral model of the VTA stimulation-induced feeding in rats was used. Latency to eat was measured as a function of stimulation frequency before and after unilateral intra-VTA injection of non-competitive NMDA receptors antagonist, MK-801, (doses 0.0, 1.25 and 2.5 p,g). MK-801 caused a dose-dependent augmentation of feeding evoked by stimulation of the contralateral VTA, which manifested as a decrease in the reaction frequency threshold and a leftward shift of the latency/frequency curve. Dose 2.5 replicated the facilitatory effect of electrolytic and 6-OHDA lesions. The results are interpreted in terms of MK-801-evoked depression of excitatory glutamatergic tone over A10 DA cells and compensatory increase in DA release in the contralateral hemisphere.
17

Bilateral lesions of the pedunculopontine tegmental nucleus affect feeding induced by electrical stimulation of the ventral tegmental area

63%
Trojniar W., Staszewska M.
Acta Neurobiologiae Experimentalis
|
1995
|
tom 55
|
nr 3
18

c-fos expression in rats hyper- and hyporesponsive to novelty in basal conditions and after chronic electric stimulation of the ventral tegmental area (VTA)

51%
Krzyzak A., Ledochowski P., Jerzemowska G., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2005
|
tom 65
|
nr 3
19

Effects of bicuculline and muscimol injection into the area of A1O cells on hippocampal theta rhythm

51%
Orzel-Gryglewska J., Kusmierczak M., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2007
|
tom 67
|
nr 3
20

Effect of injection of procaine into the ventral tegmental area on hippocampal theta rhythm in the rat

51%
Orzel-Gryglewska J., Jurkowlaniec E., Trojniar W.
Acta Neurobiologiae Experimentalis
|
2001
|
tom 61
|
nr 3
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