The neuropsychology of visual image generation: Data, method, and theory

Generating visual mental images: Deficit after brain damage

“…All this brings to the conclusion that genuine image generation deficits are rather common, a conclusion that somehow contrasts with the lack of reliable clinical data lamented by recent critical reviewers of available literature [14,16]. Indeed the battery of tasks built for this study may turn out to be sensitive to very mild imagery deficit that would not be so evident without specific clinical detection (remember that none of the patients spontaneously complained of imagery loss).…”

Generating visual mental images: Deficit after brain damage

“…All this brings to the conclusion that genuine image generation deficits are rather common, a conclusion that somehow contrasts with the lack of reliable clinical data lamented by recent critical reviewers of available literature [14,16]. Indeed the battery of tasks built for this study may turn out to be sensitive to very mild imagery deficit that would not be so evident without specific clinical detection (remember that none of the patients spontaneously complained of imagery loss).…”

Psychophysiological correlates of dynamic imagery

“…This interpretation is not without its critics. Sergent (1990) has refuted the conclusions of Farah (1984) and suggests that only 1 of the 14 case studies reviewed by Farah to support her conclusions actually support the hypothesis. Furthermore she points out that in Goldenberg's studies the occipital and temporal lobes were activated bilaterally, thereby demonstrating that the right hemisphere may also be involved in image generation.…”

Access to Perceptual and Conceptual Information in the Left and Right Hemispheres

“…The findmg on perceptual priming in the right hemisphere may be due to the imagery system in the right hemisphere proposed by Paivio (1971). As suggested by Sergent (1989Sergent ( , 1990, however, if both hemispheres simulta--neously and conjointly contribute to the generation of images, effects of perceptual information on target processing should appear in both hemispheres. One possible explanation for the lack of perceptual priming associated with the left hemisphere is that this hemisphere has activated central meanings (Chiarello, et a/., 1990) and that the conceptual properties of words are more central to meanings than the perceptual attributes of words.…”

Generating visual mental images: Deficit after brain damage

“…All this brings to the conclusion that genuine image generation deficits are rather common, a conclusion that somehow contrasts with the lack of reliable clinical data lamented by recent critical reviewers of available literature [14,16]. Indeed the battery of tasks built for this study may turn out to be sensitive to very mild imagery deficit that would not be so evident without specific clinical detection (remember that none of the patients spontaneously complained of imagery loss).…”

Psychophysiological correlates of dynamic imagery

“…This interpretation is not without its critics. Sergent (1990) has refuted the conclusions of Farah (1984) and suggests that only 1 of the 14 case studies reviewed by Farah to support her conclusions actually support the hypothesis. Furthermore she points out that in Goldenberg's studies the occipital and temporal lobes were activated bilaterally, thereby demonstrating that the right hemisphere may also be involved in image generation.…”

Access to Perceptual and Conceptual Information in the Left and Right Hemispheres

“…The findmg on perceptual priming in the right hemisphere may be due to the imagery system in the right hemisphere proposed by Paivio (1971). As suggested by Sergent (1989Sergent ( , 1990, however, if both hemispheres simulta--neously and conjointly contribute to the generation of images, effects of perceptual information on target processing should appear in both hemispheres. One possible explanation for the lack of perceptual priming associated with the left hemisphere is that this hemisphere has activated central meanings (Chiarello, et a/., 1990) and that the conceptual properties of words are more central to meanings than the perceptual attributes of words.…”

Generating visual mental images: Deficit after brain damage

“…All this brings to the conclusion that genuine image generation deficits are rather common, a conclusion that somehow contrasts with the lack of reliable clinical data lamented by recent critical reviewers of available literature [14,16]. Indeed the battery of tasks built for this study may turn out to be sensitive to very mild imagery deficit that would not be so evident without specific clinical detection (remember that none of the patients spontaneously complained of imagery loss).…”

Psychophysiological correlates of dynamic imagery

“…This interpretation is not without its critics. Sergent (1990) has refuted the conclusions of Farah (1984) and suggests that only 1 of the 14 case studies reviewed by Farah to support her conclusions actually support the hypothesis. Furthermore she points out that in Goldenberg's studies the occipital and temporal lobes were activated bilaterally, thereby demonstrating that the right hemisphere may also be involved in image generation.…”

Access to Perceptual and Conceptual Information in the Left and Right Hemispheres

“…The findmg on perceptual priming in the right hemisphere may be due to the imagery system in the right hemisphere proposed by Paivio (1971). As suggested by Sergent (1989Sergent ( , 1990, however, if both hemispheres simulta--neously and conjointly contribute to the generation of images, effects of perceptual information on target processing should appear in both hemispheres. One possible explanation for the lack of perceptual priming associated with the left hemisphere is that this hemisphere has activated central meanings (Chiarello, et a/., 1990) and that the conceptual properties of words are more central to meanings than the perceptual attributes of words.…”