William James
William James - Related Videos
01:16
Physiological Theories: James-Lange Theory of Emotion
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2025
The James-Lange theory of emotion, proposed by William James and Carl Lange in the late 19th century, asserts that emotions are the result of physiological reactions to external stimuli. Contrary to the traditional view, which suggests that emotions directly arise from the perception of stimuli, this theory proposes that emotions occur as a consequence of the body's responses to such stimuli. According to this framework, an emotional experience is a cognitive interpretation of physiological...
09:48
In vitro Quantitative Imaging Assay for Phagocytosis of Dead Neuroblastoma Cells by iPSC-Macrophages
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Cited by 7 •
2021
Neurodegenerative diseases are associated with dysregulated microglia functions. This article outlines an in vitro assay of phagocytosis of neuroblastoma cells by iPSC-macrophages. Quantitative microscopy readouts are described for both live-cell time-lapse imaging and fixed-cell high-content imaging.
02:16
Self-Schemas
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2020
In general, a schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed. More specifically, self-schemas refer to the mental representations that reflect who...
06:54
Injection of An. stephensi Embryos to Generate Malaria-resistant Mosquitoes
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Cited by 9 •
2007
Anopheles stephensi mosquitoes are vectors for malaria inhabiting India and throughout Asia. This video demonstrates the technique for performing microinjections of this species with transgenes that will confer resistance to the malaria to the mosquito. Much of the methodology demonstrated in this video is applicable to microinjection techniques of other mosquito species.
03:31
Dissection of Midgut and Salivary Glands from Ae. aegypti Mosquitoes
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Cited by 58 •
2007
The mosquito midgut and salivary glands are key entry and exit points for vector pathogens like Plasmodium falciparum and the dengue virus. This video demonstrates the dissection techniques for removing the midgut and salivary glands from Aedes aegypti mosquitoes.
FAQs
James treated consciousness as a continuous stream rather than as a collection of separate, static mental units. This emphasis directs attention to how thoughts unfold and connect over time, making the flow of experience relevant to behavior. In psychology, that perspective supports questions about attention and the ongoing relationship between mental activity and action.
The James-Lange theory links emotional experience to the perception of bodily changes: a person first notices physical changes, and the felt emotion follows that perception. This proposal shifted attention toward the bodily dimension of emotion rather than treating feelings as isolated mental events. It therefore helped make emotion a subject for psychological investigation.
For James, habits mattered because they show how mental life can guide behavior in practical ways. This functional perspective asks what a process does for an organism’s adaptation, instead of examining it only as an isolated mental structure. That shift connected psychological explanation to action and framed mental processes by their contribution to adaptation.
His writings encouraged empirical investigation of attention, habit, emotion, and religious experience. This widened the range of questions psychologists could study and connected psychological inquiry to both everyday behavior and complex inner experience. The approach is relevant when examining how mental processes operate in context, rather than treating them as detached topics with no relation to action or adaptation.
James’s influence extends beyond early psychology into cognitive science, clinical psychology, and education. His focus on attention, habit, emotion, and the practical roles of mental processes supplied themes that later fields could develop in their own settings. His work therefore remains relevant to researchers and educators interested in how thought and feeling relate to behavior, learning, and adjustment.
His ideas remain relevant because they connect consciousness with behavior without reducing psychological questions to a single topic. The continuous stream of consciousness, the bodily emphasis in the James-Lange theory, and the functional study of adaptation each address a different part of the mind-behavior relationship. Together, they inform modern debates about consciousness and continue to link psychology with philosophy.