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- Publications
- Influence
Subcortical and cortical brain activity during the feeling of self-generated emotions
- A. Damasio, T. Grabowski, +4 authors R. Hichwa
- Psychology, Medicine
- Nature Neuroscience
- 1 October 2000
In a series of [15O]PET experiments aimed at investigating the neural basis of emotion and feeling, 41 normal subjects recalled and re-experienced personal life episodes marked by sadness, happiness,… Expand
A neural basis for lexical retrieval
- H. Damasio, T. Grabowski, D. Tranel, R. Hichwa, A. Damasio
- Computer Science, Medicine
- Nature
- 11 April 1996
TLDR
A neural basis for lexical retrieval
- H. Damasio, T. Grabowski, D. Tranel, R. Hichwa, A. Damasio
- Psychology
- Nature
- 1 June 1996
Nature 380, 499-505 (1996) AN ambiguity was introduced during editing into the opening sentence of the heading of this Article. This should read "Two parallel studies, one conducted in neurological… Expand
Remembering the past: two facets of episodic memory explored with positron emission tomography.
- N. Andreasen, D. O’Leary, +5 authors R. Hichwa
- Psychology, Medicine
- The American journal of psychiatry
- 1 November 1995
OBJECTIVE
This study used positron emission tomography to examine two kinds of personal memory that are used in psychiatric evaluation: focused episodic memory (recall of past experience, employed in… Expand
A role for left temporal pole in the retrieval of words for unique entities
- T. Grabowski, H. Damasio, D. Tranel, L. L. Ponto, R. Hichwa, A. Damasio
- Psychology, Medicine
- Human brain mapping
- 1 August 2001
Both lesion and functional imaging studies have implicated sectors of high‐order association cortices of the left temporal lobe in the retrieval of words for objects belonging to varied conceptual… Expand
Schizophrenia and cognitive dysmetria: a positron-emission tomography study of dysfunctional prefrontal-thalamic-cerebellar circuitry.
- N. Andreasen, D. O'Leary, +5 authors R. Hichwa
- Psychology, Medicine
- Proceedings of the National Academy of Sciences…
- 3 September 1996
Patients suffering from schizophrenia display subtle cognitive abnormalities that may reflect a difficulty in rapidly coordinating the steps that occur in a variety of mental activities. Working… Expand
Cerebral blood flow changes associated with attribution of emotional valence to pleasant, unpleasant, and neutral visual stimuli in a PET study of normal subjects.
- S. Paradiso, D. Johnson, +4 authors R. Hichwa
- Psychology, Medicine
- The American journal of psychiatry
- 1 October 1999
OBJECTIVE
To assist in the development of a model for the psychopathology of emotions, the present study sought to identify the neural circuits associated with the evaluation of visual stimuli for… Expand
Cerebral blood flow and personality: a positron emission tomography study.
- D. Johnson, J. S. Wiebe, +4 authors L. L. Boles Ponto
- Psychology, Medicine
- The American journal of psychiatry
- 1 February 1999
OBJECTIVE
This study sought to describe brain regions associated with the personality dimension of introversion/extraversion.
METHOD
Measures of cerebral blood flow (CBF) were obtained from 18… Expand
Neural mechanisms of anhedonia in schizophrenia: a PET study of response to unpleasant and pleasant odors.
- B. Crespo-Facorro, S. Paradiso, +4 authors R. Hichwa
- Medicine
- JAMA
- 25 July 2001
CONTEXT
Loss of the capacity to experience pleasure (anhedonia) is a core clinical feature of schizophrenia. Although functional imaging techniques have been successful in identifying the neural… Expand
Hypofrontality in schizophrenia: distributed dysfunctional circuits in neuroleptic-naïve patients
- N. Andreasen, D. O’Leary, M. Flaum, P. Nopoulos, R. Hichwa
- Medicine
- The Lancet
- 14 June 1997
BACKGROUND
There have been reports that patients with schizophrenia have decreased metabolic activity in prefrontal cortex. However, findings have been confounded by medication effects, chronic… Expand