Differential effect of antipsychotics on place navigation of rats in the Morris water maze

1996 ◽  
Vol 124 (1-2) ◽  
pp. 126-133 ◽  
Author(s):  
T. Skarsfeldt
2017 ◽  
Vol 139 ◽  
pp. 117-127 ◽  
Author(s):  
Robby Schoenfeld ◽  
Thomas Schiffelholz ◽  
Christian Beyer ◽  
Bernd Leplow ◽  
Nigel Foreman

1994 ◽  
Vol 62 (3) ◽  
pp. 178-189 ◽  
Author(s):  
Andre A. Fenton ◽  
Maria Pia Arolfo ◽  
Jan Bures

2016 ◽  
Vol 234 (4) ◽  
pp. 535-547 ◽  
Author(s):  
Jan Laczó ◽  
Hana Markova ◽  
Veronika Lobellova ◽  
Ivana Gazova ◽  
Martina Parizkova ◽  
...  

2009 ◽  
pp. 741-750
Author(s):  
B Schutová ◽  
L Hrubá ◽  
M Pometlová ◽  
K Deykun ◽  
R Šlamberová

The aim of the present study was to investigate the impact of prenatal methamphetamine (MA) exposure and application of the same drug in adulthood on cognitive functions of adult male rats tested in Morris water maze (MWM). Adult male rats prenatally exposed to MA (5 mg/kg), saline or no injection were examined. Half of the animals were injected daily with MA (1 mg/kg) after finishing the testing. Three types of tests were used: (1) “Place navigation test” (Learning), (2) “Probe test” and (3) “Retention memory test” (Memory). Our results showed that prenatal MA exposure did not affect the test of learning and the Probe test. In the test of memory prenatally MA-exposed rats showed smaller search errors and used spatial strategies more than both control groups. Further, MA application in adulthood prolonged trajectories, increased the incidence of random search and decreased the incidence of direct swim in the Place navigation test. In addition, MA administration in adulthood increased the speed of swimming regardless of prenatal exposure. The present study thus demonstrates that 1) Prenatal MA exposure does not affect learning in the MWM, 2) Prenatal MA exposure improves performance in the Retention memory test in the MWM, and 3) MA application in adulthood impairs learning in the Morris water maze.


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