neuro Psychology

10 个科学问题 · 心理认知 Psychology

本页目录

脑机接口(BCI)靠什么把“想法”变成动作?

How do brain-computer interfaces (BCIs) turn thoughts into actions?

BCI 记录大脑信号(如运动皮层电图或头皮 EEG),用解码算法把神经活动模式映射为光标移动、机械臂或文字输出。它依赖使用者学习调控特定神经表征,目前主要用于辅助运动障碍者,离“读心”还很远。
A BCI records neural signals (e.g., electrocorticography or scalp EEG) and uses decoding algorithms to map activity patterns onto cursor movement, a robotic arm or text. It depends on users learning to modulate specific neural representations; today it mainly assists people with motor impairment, far from 'mind reading'.
难度 专业 · 适合 高中(15-18) CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#脑机接口 #神经解码 #辅助技术

什么是“连接组学”之外的大脑图谱新范式——梯度与模态梯度?

Beyond connectomics, what are brain gradients and modality gradients?

近年研究发现皮层可沿连续维度(梯度)组织,例如从感知模态区到抽象联合区的模态梯度。它把大脑看成平滑变化的地图而非硬切分区,更能解释认知的连续性与个体差异。
Recent work shows cortex is organized along continuous dimensions (gradients), such as a modality gradient from sensory to abstract association regions. It treats the brain as a smoothly varying map rather than hard modules, better capturing the continuity of cognition and individual differences.
难度 专业 · 适合 大众 CC BY 4.0 · 已核验 · Verified 2026-11-04
来源 · Source

Dohmatob, Richard, Pinho, Thirion,《Brain topography beyond parcellations: Local gradients of functional maps》, NeuroImage, 2021 (DOI: 10.1016/j.neuroimage.2020.117706)

Dohmatob, Richard, Pinho, Thirion, 'Brain topography beyond parcellations: Local gradients of functional maps', NeuroImage, 2021, DOI: 10.1016/j.neuroimage.2020.117706

#皮层梯度 #表征 #维度

什么是发展中的神经可塑性(neuroplasticity)?

What is neuroplasticity in development?

神经可塑性指大脑结构与连接随经验、学习和损伤而重组的能力,贯穿整个生命周期但儿童期最强。例如盲人的听觉皮层会“接管”部分视觉区功能,练习可增厚相关皮层。可塑性说明先天与后天并非固定分工,而是持续互动。
Neuroplasticity is the brain's ability to rewire its structure and connections through experience, learning, and injury; strongest in childhood but lifelong. For example, blind individuals' auditory cortex takes over some visual functions, and practice thickens relevant cortex. Plasticity means nature and nurture are not fixed but interact continuously.
难度 专业 · 适合 初中(12-15) CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#神经可塑性 #脑 #毕生发展

镜像神经元真的让我们“感同身受”吗?

Do mirror neurons really let us feel what others feel?

镜像神经元在个体执行动作和观察同类动作时都放电,最初在猴子中发现,被炒作成共情与模仿的万能机制。但在人类中证据主要来自动态成像而非单细胞记录,其解释力已被学界谨慎限定,不能单独解释复杂的社会理解。
Mirror neurons fire both when an animal acts and when it observes the same action, first found in monkeys and hyped as a universal mechanism for empathy and imitation. In humans evidence is mostly indirect imaging, not single-cell recording, and their explanatory power is now cautiously bounded—they cannot alone explain complex social understanding.
难度 专业 · 适合 高中(15-18) CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#镜像神经元 #共情 #争议

经颅磁刺激(TMS)能对心理产生什么影响?

What effects can transcranial magnetic stimulation (TMS) have on the mind?

TMS 用脉冲磁场在头皮外非侵入地激活或抑制皮层。研究用它临时干扰某脑区以推断其功能,临床上重复 TMS 已被批准用于治疗难治性抑郁,但效果因人而异。
TMS uses magnetic pulses to non-invasively excite or inhibit cortex through the scalp. Researchers use it to disrupt a region temporarily and infer its function; clinically, repetitive TMS is approved for treatment-resistant depression, though responses vary.
难度 进阶 · 适合 小学高段(9-12) CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#经颅磁刺激 #因果推断 #治疗

多巴胺真的是“快乐分子”吗?

Is dopamine really the 'pleasure molecule'?

更准确地说,多巴胺更多参与“想要”和预期奖励,而非享受当下。它驱动动机、渴望与目标导向行为;真正的愉悦感涉及阿片系统等其它递质。把多巴胺简单等同于快乐是常见的误解。
More precisely, dopamine is heavily involved in 'wanting' and reward prediction rather than the pleasure of consumption. It drives motivation, craving and goal-directed behavior; actual liking engages opioid and other systems. Equating dopamine with happiness is a common oversimplification.
难度 进阶 · 适合 大众 CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#多巴胺 #奖励 #动机

什么是静息态功能连接与“连接组”?

What are resting-state functional connectivity and the connectome?

静息态功能连接指在休息时不同脑区 BOLD 信号的相关性,揭示自发协调的网络。连接组则是描绘全部神经连接图谱的宏大计划,试图用网络拓扑理解个体差异、发展与疾病。
Resting-state functional connectivity is the correlation of BOLD signals between regions at rest, revealing spontaneously coordinated networks. The connectome is the ambitious mapping of all neural connections, aiming to explain individual differences, development and disorder through network topology.
难度 进阶 · 适合 大众 CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#连接组 #功能连接 #网络

fMRI(功能性磁共振)能直接“看到”一个人在想什么吗?

Can fMRI (functional MRI) directly read what a person is thinking?

fMRI 测量的是血氧水平依赖信号(BOLD),它反映的是局部脑区的血流与耗氧变化,间接提示哪些区域更活跃。它只能定位“哪片脑区在忙”,并不能解码具体念头,所谓读心仍是粗略的统计推测。
fMRI measures blood-oxygen-level-dependent (BOLD) signals, an indirect index of local blood flow and metabolism that shows which regions are active. It localizes 'where' activity happens, not the specific content of thoughts; 'mind reading' remains coarse statistical inference.
难度 进阶 · 适合 大众 CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#神经成像 #脑功能 #方法局限

海马体在记忆里到底负责什么?

What exactly does the hippocampus do for memory?

海马体像记忆的“索引与装订机”:它把分散在各皮层的信息绑定成新的情景记忆,并在睡眠中把记忆逐步转移到新皮层长期存储。海马受损的人难以形成新的陈述性记忆,但旧记忆和技能仍可保留。
The hippocampus acts like an index and binder: it binds distributed cortical information into new episodic memories and, during sleep, gradually transfers them to neocortex for long-term storage. Damage blocks new declarative memory formation while old memories and skills can remain.
难度 进阶 · 适合 大众 CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#海马体 #情景记忆 #记忆巩固

什么是神经可塑性?成年人的大脑还会变吗?

What is neuroplasticity, and can the adult brain still change?

神经可塑性指大脑根据经验、学习和损伤重组神经连接的能力。它伴随终身:学新技能、受训练甚至冥想都会改变脑区结构与功能,所以成年人的大脑绝非固定不变。
Neuroplasticity is the brain's ability to reorganize its connections through experience, learning and injury. It continues throughout life: learning skills, training and even meditation can alter brain structure and function, so the adult brain is far from fixed.
难度 入门 · 适合 小学低段(6-8) CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source

Richard Gerrig Philip Zimbardo,《心理学与生活》第19版中译,人民邮电出版社,2016

R. J. Gerrig and P. G. Zimbardo, Psychology and Life, 19th ed., Chinese ed., Posts & Telecom Press, 2016

#可塑性 #学习 #大脑