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相关概念视频

Higher Mental Functions of the Brain: Language01:10

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as packaging material between tissues. The areolar tissue, a connective tissue prototype, commonly cements various tissue types in diverse body organs. In contrast, adipose tissue cushions internal organs while insulating the body from heat loss.
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Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
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The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
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在儿童和成年人精神化过程中,大脑功能和连接模式的演变.

Réka Borbás1, Plamina Dimanova1, Dennis Saikkonen1

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孩子 孩子 孩子 孩子

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科学领域:

  • 神经科学是一个神经科学.
  • 发展心理学 发展心理学
  • 认知科学 认知科学

背景情况:

  • 精神化,即推断他人的想法和意图的能力,对于社会认知至关重要.
  • 支持精神化的大脑网络经历了显著的发育变化.
  • 在开发过程中,该网络的基于任务的功能连接存在有限的研究.

研究的目的:

  • 调查与年龄相关的变化,与心态化相关的大脑激活和基于任务的功能连接.
  • 检查功能连接如何调解年龄和思维能力之间的关系.
  • 了解社会认知网络发展的寿命轨迹.

主要方法:

  • 功能性磁共振成像 (fMRI) 用于研究181名参与者 (6-14岁的儿童和20-61岁的成年人).
  • 分析的重点是社会认知网络中的心智化相关的激活和基于任务的功能连接.
  • 调解分析测试了连接性在年龄思维能力关系中的作用.

主要成果:

  • 成年人表现出比儿童更高的思维精度,在儿童中观察到与年龄相关的改善.
  • 激活模式在各个年龄组中是相似的,涉及关键区域,如关节,前和中间前额叶皮层.
  • 儿童表现出更强的局部连接性,随着年龄的增长转向更远程的前后连接性;成年人表现出更完整的网络,与年龄相关的衰退,在32岁左右达到顶峰.
  • 连接性调解了儿童的年龄思维关系,但不是成年人.

结论:

  • 这项研究揭示了从局部到分布式的网络连接的发展转变,随后是成年期与年龄相关的衰退.
  • 这些发现揭示了社会认知网络在整个生命周期中的动态变化.
  • 了解这些发育轨迹是理解一生中社会认知能力的关键.