Journal of the Medical Association of Thailand Vol 86, No 6:JUNE 2003 0125-2208 86 6 2003 Jun Improved Function of Hemiplegic Upper Extremity after Cognitive Sensory Motor Training Therapy in Chronic Stroke Patients : Preliminary Report of a Case Series 579 EN Parit Wongphaet Wijitra Butrach Siriluck Sangkrai Chattaya Jitpraphai Case Report