Publications by authors named "R M Heinrichs"

The demand for food is increasing, which poses significant challenges to humanity's sustainable and sufficient food production. Using fertilizers with new technologies with a low environmental impact is becoming increasingly necessary. In this context, the industry has been creating alternatives to optimize the use of nitrogen (N) fertilizers, with the improvement of urea being crucial for sustainable agricultural production.

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  • - The research aimed to understand how co-inoculating maize plants with specific bacteria and using nitrogen fertilizers can improve nitrogen fixation and recovery from fertilizers.
  • - It tested different seed inoculations and nitrogen application levels, finding that bacterial co-inoculation boosted photosynthesis and water efficiency, especially when nitrogen availability was low.
  • - The study concluded that using a moderate amount of nitrogen (120-180 kg N/ha) alongside bacterial co-inoculation resulted in the best nitrogen-use efficiency and higher maize yields, while excessive nitrogen reduced bacteria's nitrogen-fixing abilities.
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  • Neurocognitive impairment is a key characteristic of schizophrenia spectrum disorders (SSDs), with existing research indicating a strong link between cognitive issues and negative symptoms of the disorders.
  • The study utilized iterative Constrained Principal Component Analysis (iCPCA) on a group of 121 SSD patients to analyze the connection between 18 cognitive measures and 46 symptoms, aiming to clarify which specific negative symptoms correlate with cognitive impairments.
  • Results revealed that verbal memory problems were associated with negative and disorganized emotional communication, while working memory deficits were linked to motor impairment symptoms, suggesting different brain networks are affected and emphasizing the need for more research into tailored treatments.
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Verbal memory (VM) dysfunction is prevalent in first-episode psychosis (FEP) and has major impacts on long-term functional and clinical outcomes. Nevertheless, a substantial proportion of FEP patients have VM performance in the norm, called normal-range (NR) VM, and only a few studies have explored its relation to outcomes. Moreover, probable decrements between estimated premorbid and current cognitive performance could confuse the relationship between VM and clinical or functional outcomes in FEP patients.

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Background: Cortical thinning is a well-known feature in schizophrenia. The considerable variation in the spatial distribution of thickness changes has been used to parse heterogeneity. A 'cortical impoverishment' subgroup with a generalized reduction in thickness has been reported.

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