MICROGRAPHIA IN PARKINSONS-DISEASE

被引:31
|
作者
CONTRERASVIDAL, JL
TEULINGS, HL
STELMACH, GE
机构
[1] Motor Control Laboratory, Department of Exercise Science, Arizona State University, Tempe, AZ
关键词
BASAL GANGLIA; NEURAL NETWORK; PARKINSONS DISEASE; MICROGRAPHIA; DOPAMINE; HANDWRITING; NEUROTRANSMITTER DYNAMICS IN PARKINSONS DISEASE;
D O I
10.1097/00001756-199510010-00032
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
A computational neural model of movement production in normal and Parkinson's disease (PD) is used to provide a neural account for the source of micrographia in PD handwriting. It is hypothesized that smaller than normal pallido-thalamic signals, due to dopamine depletion, are responsible for the observed overall smallness, slowness and variability in PD handwriting. Experimental data from PD patients that show micrographia support this hypothesis and imply the functional segregation of basal ganglia neural populations.
引用
收藏
页码:2089 / 2092
页数:4
相关论文
共 50 条
  • [1] FRONTAL AND VISUOSPATIAL ALTERATIONS IN PARKINSONS-DISEASE
    VICENTE, MJ
    PLAJA, CJ
    ARCHIVOS DE NEUROBIOLOGIA, 1994, 57 (04): : 177 - 184
  • [2] PARKINSONS-DISEASE STUDY
    CHANTER, DO
    EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY, 1993, 44 (06) : 597 - 597
  • [3] REHABILITATION AND PARKINSONS-DISEASE
    FORMISANO, R
    PRATESI, L
    MODARELLI, FT
    BONIFATI, V
    MECO, G
    SCANDINAVIAN JOURNAL OF REHABILITATION MEDICINE, 1992, 24 (03): : 157 - 160
  • [4] TRANSPLANTS IN PARKINSONS-DISEASE
    LINDVALL, O
    EUROPEAN NEUROLOGY, 1991, 31 : 17 - 27
  • [5] CONSTIPATION IN PARKINSONS-DISEASE
    JOST, WH
    SCHIMRIGK, K
    KLINISCHE WOCHENSCHRIFT, 1991, 69 (20): : 906 - 909
  • [6] THE RETINAL DOPAMINE SYSTEM IN PARKINSONS-DISEASE
    NGUYENLEGROS, J
    HARNOIS, C
    DIPAOLO, T
    SIMON, A
    CLINICAL VISION SCIENCES, 1993, 8 (01): : 1 - 12
  • [7] PARKINSONS-DISEASE AND DEPRESSION
    LEENTJENS, AFG
    VANDENBROEK, WW
    ACTA NEUROPSYCHIATRICA, 1993, 5 (04) : 83 - 87
  • [8] AKATHISIA IN PARKINSONS-DISEASE
    COMELLA, CL
    GOETZ, CG
    MOVEMENT DISORDERS, 1994, 9 (05) : 545 - 549
  • [9] STROKE AND ITS MODIFICATION IN PARKINSONS-DISEASE
    STRUCK, LK
    RODNITZKY, RL
    DOBSON, JK
    STROKE, 1990, 21 (10) : 1395 - 1399
  • [10] ANTAGONIST EFFECT OF TERGURIDE IN PARKINSONS-DISEASE
    RUGGIERI, S
    STOCCHI, F
    BARONTI, F
    VISELLI, F
    HOROWSKI, R
    LUCARELLI, C
    AGNOLI, A
    CLINICAL NEUROPHARMACOLOGY, 1991, 14 (05) : 450 - 456