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Valence Specific Laterality Effects in Prosody: Expectancy Account and the Effects of Morphed Prosody and Stimulus Lead
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Rodway, Paul; Schepman, Astrid – Brain and Cognition, 2007
The majority of studies have demonstrated a right hemisphere (RH) advantage for the perception of emotions. Other studies have found that the involvement of each hemisphere is valence specific, with the RH better at perceiving negative emotions and the LH better at perceiving positive emotions [Reuter-Lorenz, P., & Davidson, R.J. (1981)…
Descriptors: Syntax, Brain Hemisphere Functions, Psychological Patterns, Emotional Response
Effect of Unpleasant Loud Noise on Hippocampal Activities during Picture Encoding: An fMRI Study
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Hirano, Yoshiyuki; Fujita, Masafumi; Watanabe, Kazuko; Niwa, Masami; Takahashi, Toru; Kanematsu, Masayuki; Ido, Yasushi; Tomida, Mihoko; Onozuka, Minoru – Brain and Cognition, 2006
The functional link between the amygdala and hippocampus in humans has not been well documented. We examined the effect of unpleasant loud noise on hippocampal and amygdaloid activities during picture encoding by means of fMRI, and on the correct response in humans. The noise reduced activity in the hippocampus during picture encoding, decreased…
Descriptors: Neurolinguistics, Acoustics, Visual Learning, Cognitive Processes
Dissociation of Event-Related Potentials Indexing Arousal and Semantic Cohesion During Emotional Word Encoding
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Dillon, Daniel G.; Cooper, Julie J.; Grent-'t-Jong, Tineke; Woldorff, Marty G.; LaBar, Kevin S. – Brain and Cognition, 2006
Event-related potential (ERP) studies have shown that emotional stimuli elicit greater amplitude late positive-polarity potentials (LPPs) than neutral stimuli. This effect has been attributed to arousal, but emotional stimuli are also more semantically coherent than uncategorized neutral stimuli. ERPs were recorded during encoding of positive,…
Descriptors: Stimuli, Semantics, Information Processing, Cognitive Processes
Sparing of Written Production of Proper Nouns and Dates in Aphasia
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Schmidt, Darren; Buchanan, Lori – Brain and Cognition, 2004
Aphasia is a total or partial loss of the ability to produce or understand language, usually caused by brain disease or injury. In this case study, the aphasic patient (BMW) has a profound impairment of oral production and a very moderate impairment in comprehension. Several years of informal observation lead to the current study that contrasts…
Descriptors: Aphasia, Nouns, Neurolinguistics, Linguistic Performance
Neuropsychology and Linguistic Aphasiology: Evidence in Favor of Case Studies
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Novaes, Celso – Brain and Cognition, 2004
Two aphasic patients speaking Brazilian Portuguese and presenting the characteristics of Broca's aphasics were analyzed in relation to their capacities to express null subjects in two different grammatical persons: 1st and 3rd persons. The analysis consisted of looking at the means obtained from the two aphasic patients and their individual…
Descriptors: Aphasia, Neuropsychology, Neurolinguistics, Case Studies
A Diffusion Model Account of Normal and Impaired Readers
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Ratcliff, Roger; Perea, Manuel; Colangelo, Annette; Buchanan, Lori – Brain and Cognition, 2004
Acquired aphasics and dyslexics with even very profound word reading impairments have been shown to perform relatively well on the lexical decision task (e.g., Buchanan, Hildebrandt, & MacKinnon, 1999), but direct contrasts with unimpaired participant's data is often complicated by extremely long reaction times for patient data. The dissociation…
Descriptors: Dyslexia, Aphasia, Reaction Time, Patients