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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
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Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
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The escape velocity of an object is defined as the minimum initial velocity that it requires to escape the surface of another object to which it is gravitationally bound and never to return. For example, what would be the minimum velocity at which a satellite should be launched from the Earth's surface such that it just escapes the Earth's gravitational field?
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Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
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No dejes el juego largo

Stefan Raff-Heinen1, Fiona E Murray2

  • 1Stefan Raff-Heinen is a professor at the Institute for Digital Technology Management, Bern University of Applied Sciences, Bern, Switzerland, and a research affiliate at the MIT Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA.

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Este resumen es generado por máquina.

Las innovaciones tecnológicas profundas, cruciales para los avances futuros, requieren una inversión sustancial. Los recortes en el apoyo federal de EE.UU. para la tecnología profunda ponen en riesgo la competitividad y la seguridad nacionales.

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Área de la Ciencia:

  • Tecnología profunda
  • Las innovaciones científicas
  • El avance tecnológico

Sus antecedentes:

  • Las tecnologías profundas, como la bio-producción y las máquinas inteligentes, impulsan el progreso social.
  • Estas innovaciones son vitales para futuros avances en medicina, energía e industria.
  • El desarrollo tecnológico profundo exige recursos significativos, incluidos la I + D, el talento, el tiempo y la financiación.

Objetivo del estudio:

  • Para resaltar el papel crítico de las tecnologías profundas.
  • Para subrayar la necesidad de una inversión federal sostenida en tecnología profunda.
  • Para advertir contra las consecuencias de la reducción de la financiación del gobierno para la investigación universitaria.

Principales métodos:

  • Análisis del sector de la tecnología profunda.
  • Examen del impacto de la financiación pública en la innovación.
  • Evaluación de los riesgos asociados a la disminución de la ayuda a la I+D.

Principales resultados:

  • La tecnología profunda es esencial para el progreso y la seguridad nacional.
  • El gobierno de EE.UU. ha sido históricamente un gran financiador de la tecnología profunda.
  • Las reducciones en el apoyo federal ponen en peligro el ecosistema de tecnología profunda.

Conclusiones:

  • La inversión federal sostenida es crucial para mantener el liderazgo tecnológico.
  • Los recortes en la financiación de tecnología profunda amenazan la competitividad económica y la seguridad nacional.
  • La protección de la investigación universitaria es vital para la innovación futura.