TRANSITORY AND SHORT-DURATION CHANGES OF SLEEP ORGANIZATION PROVOKED BY AMYGDALOID KINDLING IN THE CAT - A DAILY 23-HOUR SLEEP RECORDING STUDY

被引:6
作者
CALVO, JM [1 ]
FERNANDEZMAS, R [1 ]
机构
[1] INST MEXICANO PSIQUIATRIA,DEPT NEUROFISIOL,DIV INVEST NEUROCIENCIAS,MEXICO CITY 14370,DF,MEXICO
关键词
KINDLING; SLEEP ORGANIZATION; TRANSITORY CHANGES; AMYGDALA;
D O I
10.1016/0920-1211(94)90083-3
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The effect of amygdaloid kindling on sleep organization was tested in chronically implanted cats on a 12:12 light-dark cycle. Electrical kindling stimuli were delivered to the amygdala every 2 h during the light period. Total sleep time and percentage, mean duration, and mean number, as well as the hourly accumulation of waking (W) and sleep (slow wave sleep I and II, and paradoxical sleep) episodes were assessed from daily 23-h sleep recordings, consisting of baseline control recordings, control recordings where cats were briefly alerted at 2-h intervals to mimic the kindling trials manipulation, and recordings on each kindling day. The kindling process was completed within six days achieving three to five consecutive fully kindled seizures. Analysis of total recording time showed that the kindling process enhanced W stage and diminished total sleep time only on the second kindling day. Analysis of light and dark periods demonstrated compensatory W and sleep changes during the dark periods. Hourly sleep stage time accumulation was slowed during kindling trials, but compensated while stimuli were suspended. All of these changes returned to baseline values at the end of kindling. No significant differences between changes induced by kindling and those produced by alerting trials were found. We conclude that sleep alterations can not be exclusively attributed to kindling development, and that sleep is able to become adapted to the focal and generalized seizures effect.
引用
收藏
页码:1 / 13
页数:13
相关论文
共 36 条
[1]  
Baldy-Moulinier M., 1984, EPILEPSY SLEEP SLEEP, P109
[2]  
Besset A, 1982, SLEEP EPILEPSY, P339
[3]   AMYGDALOID KINDLING DURING WAKEFULNESS AND PARADOXICAL SLEEP IN THE CAT .1. INHIBITORY INFLUENCE OF PARADOXICAL SLEEP ON KINDLING DEVELOPMENT [J].
CALVO, JM .
EPILEPSY RESEARCH, 1991, 9 (02) :113-120
[4]   AMYGDALOID KINDLING DURING WAKEFULNESS AND PARADOXICAL SLEEP IN THE CAT .2. SLEEP ORGANIZATION CHANGES PRODUCED BY KINDLING DEVELOPMENT [J].
CALVO, JM ;
FERNANDEZMAS, R .
EPILEPSY RESEARCH, 1991, 9 (03) :175-183
[5]   AMYGDALOID KINDLING DURING RAPID EYE-MOVEMENT (REM) SLEEP IN CATS [J].
CALVO, JM ;
ALVARADO, R ;
BRIONES, R ;
PAZ, C ;
FERNANDEZGUARDIOLA, A .
NEUROSCIENCE LETTERS, 1982, 29 (03) :255-259
[6]   SLEEP STAGES, REM DEPRIVATION AND ELECTROCONVULSIVE THRESHOLD IN CAT [J].
COHEN, H ;
THOMAS, J ;
DEMENT, WC .
BRAIN RESEARCH, 1970, 19 (02) :317-+
[7]   SLEEP - CHANGES IN THRESHOLD TO ELECTROCONVULSIVE SHOCK IN RATS AFTER DEPRIVATION OF PARADOXICAL PHASE [J].
COHEN, HB ;
DEMENT, WC .
SCIENCE, 1965, 150 (3701) :1318-&
[8]   MASSED AMYGDALOID KINDLING IN ENCEPHALE ISOLE CATS - ITS FACILITATION BY NALOXONE [J].
FERNANDEZGUARDIOLA, A ;
ROCHA, L ;
PELLICER, F ;
GUTIERREZ, R ;
CALVO, JM .
EPILEPSY RESEARCH, 1989, 4 (01) :55-62
[9]   COMPENSATORY CHANGES IN REM-SLEEP TIME OF CATS DURING AD-LIBITUM SLEEP AND FOLLOWING BRIEF REM-SLEEP DEPRIVATION [J].
FOOTE, SL .
BRAIN RESEARCH, 1973, 54 (MAY17) :261-276
[10]   EFFECTS OF SEIZURES, KINDLING, AND CARBAMAZEPINE ON SLEEP ORGANIZATION IN CATS [J].
GIGLI, GL ;
GOTMAN, J .
EPILEPSIA, 1992, 33 (01) :14-22