# Impaired extra-dimensional shift performance in medicated and unmedicated Parkinson's disease: Evidence for a specific attentional dysfunction

**Type:** Papers  
**Canonical URL:** https://picoportal.org/library/papers/impaired-extra-dimensional-shift-performance-in-medicated-and-unmedicated/

## Facts

| Field | Value |
| --- | --- |
| Author Names | J.J. Downes,Angela Roberts,Barbara J. Sahakian,J. L. Evenden,Robin G. Morris,Trevor W. Robbins |
| Citations | 534 |
| DOI | 10.1016/0028-3932(89)90128-0 |
| Fields | Neuroscience,Psychology |
| Open Access | false |
| OA Status | closed |
| OpenAlex ID | https://openalex.org/W2062147269 |
| PMID | 2615934 |
| Type | article |
| Year | 1989 |

## Paper authors

- [Robin G. Morris](https://picoportal.org/library/researchers/robin-g-morris-2/)
- [Barbara J. Sahakian](https://picoportal.org/library/researchers/barbara-j-sahakian/)
- [Angela Roberts](https://picoportal.org/library/researchers/angela-roberts/)
- [Trevor W. Robbins](https://picoportal.org/library/researchers/trevor-w-robbins/)

## Paper journal

- [Neuropsychologia](https://picoportal.org/library/journals/neuropsychologia/)

## Paper primary topic

- [Color perception and design](https://picoportal.org/library/topics/color-perception-and-design/)

## Paper topics

- [Color perception and design](https://picoportal.org/library/topics/color-perception-and-design/)
- [Visual perception and processing mechanisms](https://picoportal.org/library/topics/visual-perception-and-processing-mechanisms-2/)
- [Neural and Behavioral Psychology Studies](https://picoportal.org/library/topics/neural-and-behavioral-psychology-studies/)

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Source: PICO Portal — public research metadata, principally OpenAlex. See https://picoportal.org/library/sources/ for provenance and https://picoportal.org/library/methodology/ for what these figures mean.