A redução da cobertura vegetal natural e a conseqüente fragmentação dos ecossistemas naturais é u... more A redução da cobertura vegetal natural e a conseqüente fragmentação dos ecossistemas naturais é um fenômeno global e praticamente presente em todas as etapas da expansão da fronteira agrícola, agropecuária e urbana, atingindo a quase totalidade dos biomas. Os municípios, principalmente os com economia baseado na atividade agrícola, necessitam fazer o levantamento do uso de suas terras para planejar o uso com sustentabilidade. O presente artigo tem como objetivo analisar e caracterizar a situação ambiental do município de Salvador do Sul, que se localiza na região central do Estado do Rio Grande do Sul, a partir de mapas temáticos estruturados com o Sistema de Informação Geográfica Idrisi Kilimanjaro.. As bases de dados utilizadas foram cartas topográficas elaboradas pelo Serviço Geográfico do Exército em escala 1/50.000 e imagens do satélite Landsat 7, de 31/01/03. Foram elaborados os seguintes planos de informação: hidrografia, malha rodoviária, curvas de nível, hipsometria, clinog...
Contextual memory is important for the encoding and retrieval of episodic memory, which is often ... more Contextual memory is important for the encoding and retrieval of episodic memory, which is often impaired in euthymic patients with bipolar disorder (BD). The objective was to investigate the effect of low and high cognitive support on encoding in an incidental contextual memory task in euthymic patients with BD. Twenty-three patients with a BD type I diagnosis (aged 23-63 years, 17 women and 6 men) and 29 healthy controls completed a recognition memory task for context (location of a recognised object). Participants were assigned to one of two incidental encoding conditions: (1) with a binding cue to encourage the association of the object to its location (judging the degree of appropriateness of an object in relation to its location) or (2) without a binding cue (judging daily use of objects). Patients showed a deficit in incidental contextual memory in the absence of a binding cue at encoding. Under incidental encoding with the binding cue, no differences were observed between the groups for contextual memory. Contextual memory deficits in BD patients were reduced by providing cognitive support at encoding. The role of this strategy should be investigated in larger samples to evaluate its use for cognitive remediation in BD patients.
This study examines the role of depressive symptoms associated with age on contextual memory and ... more This study examines the role of depressive symptoms associated with age on contextual memory and how this association could impair the use of strategic instructions during encoding. Young and older controls and older adults with depressive symptoms performed memory recognition tests for item and context. Memory results indicated that mild depressive symptoms did not aggravate the age-related contextual memory pattern, but interfered with the magnitude of the memory enhancement provided by specific encoding instructions when compared with young adults. These between-group differences in the use of memory strategies were eliminated with the inclusion of the performance on Wisconsin Card Sorting Test as a covariate. Mild depressive symptoms were associated with an impaired ability to use incidental memory strategies at encoding, suggesting the need for further investigation on the effects of non-clinical depressive symptomatology on cognitive decline in aging.
A redução da cobertura vegetal natural e a conseqüente fragmentação dos ecossistemas naturais é u... more A redução da cobertura vegetal natural e a conseqüente fragmentação dos ecossistemas naturais é um fenômeno global e praticamente presente em todas as etapas da expansão da fronteira agrícola, agropecuária e urbana, atingindo a quase totalidade dos biomas. Os municípios, principalmente os com economia baseado na atividade agrícola, necessitam fazer o levantamento do uso de suas terras para planejar o uso com sustentabilidade. O presente artigo tem como objetivo analisar e caracterizar a situação ambiental do município de Salvador do Sul, que se localiza na região central do Estado do Rio Grande do Sul, a partir de mapas temáticos estruturados com o Sistema de Informação Geográfica Idrisi Kilimanjaro.. As bases de dados utilizadas foram cartas topográficas elaboradas pelo Serviço Geográfico do Exército em escala 1/50.000 e imagens do satélite Landsat 7, de 31/01/03. Foram elaborados os seguintes planos de informação: hidrografia, malha rodoviária, curvas de nível, hipsometria, clinog...
Contextual memory is important for the encoding and retrieval of episodic memory, which is often ... more Contextual memory is important for the encoding and retrieval of episodic memory, which is often impaired in euthymic patients with bipolar disorder (BD). The objective was to investigate the effect of low and high cognitive support on encoding in an incidental contextual memory task in euthymic patients with BD. Twenty-three patients with a BD type I diagnosis (aged 23-63 years, 17 women and 6 men) and 29 healthy controls completed a recognition memory task for context (location of a recognised object). Participants were assigned to one of two incidental encoding conditions: (1) with a binding cue to encourage the association of the object to its location (judging the degree of appropriateness of an object in relation to its location) or (2) without a binding cue (judging daily use of objects). Patients showed a deficit in incidental contextual memory in the absence of a binding cue at encoding. Under incidental encoding with the binding cue, no differences were observed between the groups for contextual memory. Contextual memory deficits in BD patients were reduced by providing cognitive support at encoding. The role of this strategy should be investigated in larger samples to evaluate its use for cognitive remediation in BD patients.
This study examines the role of depressive symptoms associated with age on contextual memory and ... more This study examines the role of depressive symptoms associated with age on contextual memory and how this association could impair the use of strategic instructions during encoding. Young and older controls and older adults with depressive symptoms performed memory recognition tests for item and context. Memory results indicated that mild depressive symptoms did not aggravate the age-related contextual memory pattern, but interfered with the magnitude of the memory enhancement provided by specific encoding instructions when compared with young adults. These between-group differences in the use of memory strategies were eliminated with the inclusion of the performance on Wisconsin Card Sorting Test as a covariate. Mild depressive symptoms were associated with an impaired ability to use incidental memory strategies at encoding, suggesting the need for further investigation on the effects of non-clinical depressive symptomatology on cognitive decline in aging.
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