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  1. suprunp's Avatar
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    #1

    from arousal either by a sensory organ

    What Freud meant by “quantities” was the level of psychic energy flowing through the neurons. The energy arose from arousal either by a sensory organ or—far more important—by the body’s own drives. Discharging this energy—in the sex act, for instance—creates pleasure for the individual, whereas blocking its discharge creates displeasure.
    (Scientific American Mind; Volume 17, Number 2; Neurotic about Neurons)

    Can I say 'of' instead of 'by' here?

    Thanks.

  2. bhaisahab's Avatar
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    #2

    Re: from arousal either by a sensory organ

    Quote Originally Posted by suprunp View Post
    What Freud meant by “quantities” was the level of psychic energy flowing through the neurons. The energy arose from arousal either by a sensory organ or—far more important—by the body’s own drives. Discharging this energy—in the sex act, for instance—creates pleasure for the individual, whereas blocking its discharge creates displeasure.
    (Scientific American Mind; Volume 17, Number 2; Neurotic about Neurons)

    Can I say 'of' instead of 'by' here?

    Thanks.
    If you use "of", the meaning would be different. With "by" the sensory organ or the body's drives create the arousal. With "of" they are aroused by some exterior stimulus.

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