2017
DOI: 10.1016/j.bbr.2016.12.031
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Overshadowing depends on cue and reinforcement sensitivity but not schizotypy

Abstract: There is evidence for impaired selective learning mechanisms in individuals high in schizotypy. Overshadowing provides a direct test of selective learning based on cue salience and has previously been reported to be impaired in relation to schizotypy scores. The present study tested for overshadowing using food allergy and Lego construction task variants. Both variants used the same number of conditioned stimulus (CS) cues and the same number of learning trials. CS cues were trained in compound pairs or in iso… Show more

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“…In other cases, individuals higher in schizotypy may perform worse due to tendencies to perseverate on irrelevant stimuli when predictive ones are available. However, there remains debate about whether differences may be due to reinforcement sensitivity as opposed to selective attention per se (Pickett et al, 2017), and several studies have failed to replicate blocking and latent inhibition effects (Jones et al, 1992(Jones et al, , 1997Swerdlow et al, 1996).…”
mentioning
confidence: 99%
“…In other cases, individuals higher in schizotypy may perform worse due to tendencies to perseverate on irrelevant stimuli when predictive ones are available. However, there remains debate about whether differences may be due to reinforcement sensitivity as opposed to selective attention per se (Pickett et al, 2017), and several studies have failed to replicate blocking and latent inhibition effects (Jones et al, 1992(Jones et al, , 1997Swerdlow et al, 1996).…”
mentioning
confidence: 99%