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Animal s , t e s t e d w i t h o u t c u e s f o r 3 d a y s , were s h u t u p f o r 2 0 s e c o n t h e way t o t h e g o a l i n e a c h t r i a l on t h e 4 t h day.
The changes i n t h e i n t r a - m a z e c u e s d i d n o t a f f e c t t h e n u m b e r o f e r r o r s . E r r o r s were i n c r e a s e d when t h e maze was t u r n e d 90" a n d when t h e a n i m a l s were s h u t up d u r i n g t h e test. These r e s u l t s s u g g e s t t h a t ex t r a -maze c u e s may b e i n v o l v e d i n BM l e a r n i n g a n d t h a t i n t e r f e r e n c e d u r i n g t h e t es t a f f e c t s t h e ra t ' s pe r fo rmance t h e r e a f t e r .
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IbURUHARA, T., T. Y A M A I R I , Y. OHSASA, Y. HASE, S. KUSUDA a n d T. OURA, C h i l d r e n ' s M e d i c a l C e n t e r o f O s a k a C i t y , O s a k a M u n i c i p a l R e h a b i l i t a t i o n C e n t e r , O s a k a . N e o n a t a l s c r e e n i n g f o r c o n g e n i t a l a d r e n a l h y p e r p l a s i a d u e t o 2 1 - h y d r o x y l a s e d e f i c i e n c y i n O s a k a C i t y . T n g e n i t a l a d r e n a l h y p e r p l a s i a d u e t o 21- h y d r o x y l a s e d e f i c i e n c y i s a n a u t o s o m a l r e c e s s i v e d i s e a s e , a n d i n c i d e n c e o f t h i s d i s o r d e r i s r e l a t i v e l y h i g h among c o n g e n i t a l m e t a b o l i c d i s e a s e s . Even though p a t i e n t s w i t h c o n g e n i t a l a d r e n a l h y p e r p l a s i a show s p e c i f i c s i g n s a n d s y m p t o m s , t h e d i a g n o s i s o f t h e d i s o r d e r i s n o t e a s y d u r i n g e a r l y n e o n a t a l p e r i o d . W i t h o u t p r o p e r t r e a t m e n t , t h i s d i s o r d e r i s s o m e t i m e s l i f e t h r e a t e n i n g . On t h e o t h e r h a n d , t h e a s s a y s y s t e m o f 1 7 OH- p r o g e s t e r o n e , e l e v a t i o n o f w h i c h i n b l o o d i s d i a g n o s t i c f o r t h e d i s o r d e r , i n d r i e d b l o o d s p o t was d e v e l o p e d r e c e n t l y . T h u s n e o n a t a l s c r e e n i n g f o r t h e d i s o r d e r w a s f i r s t s t a r t e d i n A l a s k a u s i n g r a d i o i m m u n o a s s a y f o r 1 7 OH- p r o g e s t e r o n e i n d r i e d b l o o d s p o t a n d t h e n s e v e r a l r e g i o n a l p i l o t s c r e e n i n g p rograms were s t a r t e d i n Japan u s i n g enzyme l i n k e d immuno- s o r b e n t a s say . I n Osaka C i t y t h e p i l o t s t u d y o f s c r e e n i n g was s t a r t e d i n 1987, S i n c e t h e n a l m o s t s e v e n t y t h o u s a n d n e w b o r n s were e x a m i n e d , a n d f o u r p a t i e n t s w e r e d e t e c t e d . T h e i n c i d e n c e o f t h e d i s o r d e r i n O s a k a C i t y was e s t i m a t e d a t a b o u t 1 : 1 7 , 0 0 0 l i v e b i r t h s f o r h o m o z y g o u s p a t i e n t s , a n d 1 : 6 5 f o r h e t e r o z y g o u s s u b j e c t s . T h e s e r e s u l t s proved t h e h i g h e f f i c i e n c y o f n e o n a t a l s c r e e n i n g f o r t h i s d i s o r d e r .
The 8 t h B e h a v i o r a l T e r a t o l o g y Mee t ing J u l y 15, 1989, 10:20 a.m. - 6 : 5 0 p.m.
1. E d u c a t i o n a l Lec tu re : H y p e r a c t i v e c h i l d r e n : Organ ic and psychogen ic t h e o r i e s . TOTSUKA, S . ( Y a m a g a t a U n i v e r s i t y ) .
2 . L e c t u r e by P r e s i d e n t : The c u r r e n t s t a t u s o f s t u d i e s o n b e h a v i o r a l t e r a t o l o g y . TANIMURA, T. (Kinki U n i v e r s i t y ) .
3 . W o r k s h o p s i n M e t h o d s o f B e h a v i o r a l T e r a t o l o g y :
3-A. D e v e l o p m e n t a l b e h a v i o r : M e t h o d o l o g i c a l p rob lems i n deve lopmen ta l b e h a v i o r t e s t i n g . A N D O , M. ( S h i o n o g i & Co. L t d . ) , K A I , S. ( B r i s t o l - M y e r s Co.), WATANABE, K. ( C h u g a i P h a r m a c e u t i c a l Co. L t d . ) , YAONO, M . ( M o r i s h i t a P h a r m a c e u t i c a l Co., L t d . ) a n d I M A D O , N. ( T a n a b e S e i y a k u Co.).
3-B. E m o t i o n a l b e h a v i o r a n d s p o n t a n e o u s movemen t : ( a ) D i s c u s s i o n s f o r e m o t i o n a l b e h a v i o r t e s t i n g . TAMAKI, Y. ( S h i n s h u U n i v e r s i t y ) and I H A R A , T. (Takeda Chemica l I n d u s t r y Ltd.). (b) R e p o r t s o f t h e s t u d i e s o n s p o n t a n e o u s m o v e m e n t a n d m o t o r c o o r d i n a t i o n . GOTO, M. ( E i s a i Co., L td . ) , KOMATSU, T. ( B a n y u P h a r m a c e u t i c a l Co. L td . ) , MATSUHASHI, K. ( D a i i c h i S e i y a k u Co. Ltd.) a n d HASHIMOTO, Y. (Food a n d Drug S a f e t y C e n t e r ) .
3-C. L e a r n i n g b e h a v i o r : ( a ) R e p o r t s o n t h e c o l l a b o r a t i v e s t u d i e s . AKAIKE, M. (Hoechst J a p a n Ltd.) and IWASE, T. ( M i t s u b i s h i Kasei Co.). ( b ) E d u c a t i o n a l l e c t u r e . IWASAKI, T. ( T s u k u b a U n i v e r s i t y ) . ( c ) D i s c u s s i o n a n d p r o p o s a l s f o r t h e l e a r n i n g b e h a v i o r t e s t i n g . MISAWA, N. ( L e d e r l e ( J a p a n ) , L t d . ) , H A N D A , J. (Nippon Kayaku Co. L td . ) a n d UCHIDA, H. ( T a i s h o P h a r m a c e u t i c a l Co.
4 . Summary o f t h e S e c t i o n Mee t ings : INOMATA, L t d . ) .
N. ( L e d e r l e ( J a p a n ) , Ltd.) .
TOTSUKA, S., D e p a r t m e n t o f N e u r o - p s y c h i a t r y , Y a m a g a t a U n i v e r s i t y S c h o o l o f M e d i c i n e , Yamagata. Hyperac t ive c h i l d r e n : O r g a n i c and psychogen ic t h e o r i e s .
H y p e r a c t i v e c h i l d r e n a p p e a r u n s e t t l e d , l a c k c o n c e n t r a t i o n and a t t e n t i o n , a n d d i s p l a y i m - p u l s i v e and a g g r e s s i v e behav io r . T h e i r mo to r a c t i v i t y i s c l u m s y , m a k i n g f i n e h a n d i w o r k d i f f i c u l t . S i n c e c o o r d i n a t i o n i s a l s o d i s - t u r b e d w i t h s o f t n e u r o l o g i c a l s i g n s , o r g a n i c b r a i n d a m a g e h a s b e e n p o s t u l a t e d , a n d t h i s d i s o r d e r h a s b e e n c a l l e d m i n i m a l b r a i n d y s - f u n c t i o n (MBD). According t o t h e d i a g - n o s t i c c r i te r ia f rom DSM-111, t h i s d i s o r d e r i s c a l l e d an a t t e n t i o n d e f i c i t d i s o r d e r (ADD).
I n many cases, t h e m a t e r n a l and g e s t a t i o n a l h i s t o r y i s s i g n i f i c a n t , e s p e c i a l l y d i s e a s e s , d r u g u s e , p e r i n a t a l c o m p l i c a t i o n s a n d e a r l y p o s t n a t a l t r a u m a . T h e r e a re , h o w e v e r , cases i n wh ich no u n d e r l y i n g p e r i n a t a l or p o s t n a t a l