精神分裂症皮质体积异常:与症状和认知障碍的相关性
María Ángeles García-León1, Paola Fuentes-Claramonte1, Joan Soler-Vidal2
1FIDMAG Germanes Hospitalàries Research Foundation, Barcelona, Spain; CIBERSAM, ISCIII, Barcelona, Spain.
这项研究没有发现与精神分裂症中的现实扭曲或混乱相关的脑结构变化. 精神分裂症的负面症状与大脑体积减少相关,但这种联系可能是由于认知障碍.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 神经成像是一种神经成像.
背景情况:
- 精神分裂症的症状分为现实扭曲,负面和无组织综合征.
- 这些症状集群的脑结构相关性尚未得到充分确立.
- 关于精神分裂症认知障碍的大脑结构基础存在相互矛盾的发现.
研究的目的:
- 为了研究区域大脑结构变化和精神分裂症的特定症状集群之间的关联.
- 检查精神分裂症患者的认知障碍和大脑结构之间的关系.
主要方法:
- 165名精神分裂症患者和50名健康对照人使用基于表面的形态测量进行皮质体积测量.
- 用积极和消极综合征尺度 (PANSS) 评估症状严重程度.
- 认知障碍是通过估计的病前和当前智商之间的差异来衡量的.
主要成果:
- 没有显著的体积减少与现实扭曲或无组织综合征有关.
- 负症状得分与左侧中间轨道前回形中的皮质体积相反相关.
- 较大的认知障碍 (较大的智商差异) 与左前中心环和左叶的皮质体积减少有关.
结论:
- 该研究没有发现证据表明大脑结构异常与精神分裂症中的现实扭曲或混乱有关.
- 与负面症状相关的左中间轨道前皮层体积减少可能与认知障碍有关.
- 这些发现支持认知障碍与精神分裂症中大脑结构变化之间的关联.
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