Heart and Brain Potentials of Human Fetuses in Utero  

Oleh:

Lindsley, Donald B.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Psychology vol. 100 no. 3-4 (1987), page 641.
Topik: Heart and Brain Potentials; Human Fetuses
Fulltext: 1422698.pdf (615.16KB)

Isi artikel

relearning process and the intrusions based on serial positions continue to occur later and later during the relearning process. (d) There are overt signs of proactive inhibition of the learning of the interpolated list. That is, syllables from the original list occur as erroneous intrusions during the learning of the interpolated list. These intrusions occur for the most partd uring the first 5 trials on the interpolatedli st. (3) The following interpretationsw ere ventured. (a) The results are interpreted as favorable to a transfer theory of retroactive inhibition, as a consequence of the correlation between the frequency of overt intrusions and the amount of retroactive inhibition, and as a consequence of the correlation between the occurrence of an intrusion and the similarity of the serial positions or the formal identity of the intruding and displaced syllables. (b) The theory of retroactivei nhibitionw hich attributesa ll the inhibition to a competition of orginal and interpolated responses during the recall and relearning of the original responses is, however, questioned. Since it can be shown that there is a large amounto f retroactivei nhibitiono n the firstr elearning( recall) trial after 40 interpolated trials even though there are very few overt intrusions on this trial, it is arguedt hat some factoro ther than the competitiono f original and interpolated responsesm ay be responsiblef or a portion of the retroactivein hibition. (c) Several theories regarding the nature of this unknown factor are examined, and it is proposedt hat this factor is a direct 'unlearning'o f the original responses at the time the interpolated list is learned. Such 'unlearning' would presumably follow from the unreeinforcedo ccurrenceo f the original syllables as erroneous responsesd uring the learningo f the interpolatedl ist, this phenomenonh aving been demonstratedin the data of this experiment.

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