PMID- 15823929
OWN - NLM
STAT- MEDLINE
DCOM- 20050623
LR  - 20061115
IS  - 0020-7454 (Print)
IS  - 0020-7454 (Linking)
VI  - 115
IP  - 5
DP  - 2005 May
TI  - Complex magnetic fields enable static magnetic field cue use for rats in radial 
      maze tasks.
PG  - 625-48
AB  - Male Wistar rats were trained in an eight-arm radial maze task (two sessions per 
      day, delayed-non-matching-to-sample) that included an intramaze static magnetic 
      field "cue" (185 microT) specific to the entrance point of one of the arms. Rats 
      were exposed daily for 60 min to a complex magnetic field waveform (theta-burst 
      pattern, 200-500 nT), presented with several different interstimulus intervals 
      (ISIs), either immediately following training sessions or immediately preceding 
      testing sessions. Application of the theta-burst stimulus with a 4000 ms ISI 
      significantly improved the rats' memory for the arm of the radial maze whose 
      position was indicated by the presence of a static magnetic field cue. Reference 
      memory errors were homogeneously distributed among all eight arms of the maze for 
      sham-exposed rats, and among the other seven arms of the maze for complex 
      magnetic field-treated rats. These results suggest that static magnetic field 
      cues may be salient orienting cues even in a microenvironment such as a radial 
      maze, but their use as a cue during maze learning in rats is dependent on 
      whole-body application of a specific time-varying complex magnetic field.
FAU - McKay, B E
AU  - McKay BE
AD  - Behavioral Neuroscience Laboratory, Laurentian University, Sudbury, Ontario, 
      Canada.
FAU - Persinger, M A
AU  - Persinger MA
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PL  - England
TA  - Int J Neurosci
JT  - The International journal of neuroscience
JID - 0270707
SB  - IM
MH  - Animals
MH  - Behavior, Animal/physiology
MH  - *Cues
MH  - *Electromagnetic Fields
MH  - Hippocampus/physiology
MH  - Male
MH  - *Maze Learning
MH  - Memory/physiology
MH  - Rats
MH  - Rats, Wistar
MH  - Smell/physiology
EDAT- 2005/04/13 09:00
MHDA- 2005/06/24 09:00
CRDT- 2005/04/13 09:00
PHST- 2005/04/13 09:00 [pubmed]
PHST- 2005/06/24 09:00 [medline]
PHST- 2005/04/13 09:00 [entrez]
AID - U80835Q530660548 [pii]
AID - 10.1080/00207450590523945 [doi]
PST - ppublish
SO  - Int J Neurosci. 2005 May;115(5):625-48. doi: 10.1080/00207450590523945.