Some determinants of response summation

Aydin, Aydan; Pearce, John M.

doi:10.3758/bf03199029

Cited by 54 publications

(69 citation statements)

References 38 publications

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“…Kehoe et al (1994) observed summation of the conditioned nictitating membrane response in rabbits that had been trained with two CSs from different modalities (one auditory and one visual), but not when both of the CSs were auditory. A similar result has been reported by Aydin and Pearce (1997) …”

Section: Summationsupporting

confidence: 91%

An attention-modulated associative network

Harris

Livesey

2010

Learning & Behavior

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We present an elemental model of associative learning that describes interactions between stimulus elements as a process of competitive normalization. Building on the assumptions laid out in Harris (2006), stimuli are represented as an array of elements that compete for attention according to the strength of their input. Elements form associations among each other according to temporal correlations in their activation but restricted by their connectivity. The model moves beyond its predecessor by specifying excitatory, inhibitory, and attention processes for each element in real time and describing their interaction as a form of suppressive gain control. Attention is formalized in this model as a network of mutually inhibitory units that moderate the activation of stimulus elements by controlling the level to which the elements are suppressed by their own inhibitory processes. The model is applied to a range of complex discriminations and related phenomena that have been taken as evidence for configural-learning processes.

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Section: Summationsupporting

confidence: 91%

An attention-modulated associative network

Harris

Livesey

2010

Learning & Behavior

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“…Counting is summation with multiple criteria corresponding to successive numbers (Davis & Pérusse, 1988;Killeen & Taylor, 2000). Effects analogous to those reported here have been discussed under the rubric response summation (e.g., Aydin & Pearce, 1997).…”

Section: Application Extension and Discussionsupporting

confidence: 54%

Writing and overwriting short-term memory

Killeen

2001

Psychonomic Bulletin & Review

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“…Multimodal signals enhance signal performance through intersensory facilitation, while unimodal multicomponent signals mainly improve the specificity of the information received along a single sensory channel, although the components can interact in a similar manner to those in bimodal compounds (Cohen, 1997;Aydin & Pearce, 1997).…”

Section: (5) Receiver Psychologymentioning

confidence: 99%

The use of multiple cues in mate choice

2003

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An increasing number of studies find females to base their mate choice on several cues. Why this occurs is debated and many different hypotheses have been proposed. Here I review the hypotheses and the evidence in favour of them. At the same time I provide a new categorisation based on the adaptiveness of the preferences and the information content of the cues. A few comparative and empirical studies suggest that most multiple cues are Fisherian attractiveness cues or uninformative cues that occur alongside a viability indicator and facilitate detection, improve signal reception, or are remnants from past selection pressures. However, much evidence exists for multiple cues providing additional information and serving as multiple messages that either indicate general mate quality or enable females that differ in mate preferences to choose the most suitable male. Less evidence exists for multiple cues serving as back-up signals. The importance of receiver psychology, multiple sensory environments and signal interaction in the evolution of multiple cues and preferences has received surprisingly little attention but may be of crucial importance. Similarly, sexual conflict has been proposed to result in maladaptive preferences for manipulative cues, and in neutral preferences for threshold cues, but no reliable evidence exists so far. An important factor in the evolution of multiple preferences is the cost of using additional cues. Most theoretical work assumes that the cost of choice increases with the number of cues used, which restricts the conditions under which preferences for multiple cues are expected to evolve. I suggest that in contrast to this expectation, the use of multiple cues can reduce mate choice costs by decreasing the number of mates inspected more closely or the time and energy spent inspecting a set of mates. This may be one explanation for why multiple cues are more common than usually expected. Finally I discuss the consequences that the use of multiple cues may have for the process of sexual selection, the maintenance of genetic variation, and speciation.

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Some determinants of response summation

Cited by 54 publications

References 38 publications

An attention-modulated associative network

An attention-modulated associative network

Writing and overwriting short-term memory

The use of multiple cues in mate choice

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