Trump to build Waterborne Barrier in Rio Grande

link

Hamas says it is ready to enter ceasefire negotiations in ‘positive spirit’

link

Adult brains grow new neurons, and researchers have finally found where they come from

link

Psychophysics gains a new law of sensory perception that also sheds light on subjective perception

Weber’s law, also called Weber-Fechner law, historically important psychological law quantifying the perception of change in a given stimulus. The law states that the change in a stimulus that will be just noticeable is a constant ratio of the original stimulus. It has been shown not to hold for extremes of stimulation. (Weber’s Law)

About 200 years ago, the German physician Ernst Heinrich Weber made a seemingly innocuous observation which led to the birth of the discipline of Psychophysics – the science relating physical stimuli in the world and the sensations they evoke in the mind of a subject. Weber asked subjects to say which of two slightly different weights was heavier. From these experiments , he discovered that the probability that a subject will make the right choice only depends on the ratio between the weights.

For instance, if a subject is correct 75% of the time when comparing a weight of 1 Kg and a weight of 1.1 Kg, then she will also be correct 75% of the time when comparing two weights of 2 and 2.2 Kg – or, in general, any pair of weights where one is 10% heavier than the other. This simple but precise rule opened the door to the quantification of behavior in terms of mathematical ‘laws’. (NEUROSCIENTISTS MAKE MAJOR BREAKTHROUGH IN 200-YEAR-OLD PUZZLE)

We investigated Weber’s law by training rats to discriminate the relative intensity of sounds at the two ears at various absolute levels. These experiments revealed the existence of a psychophysical regularity, which we term time–intensity equivalence in discrimination (TIED), describing how reaction times change as a function of absolute level. (The mechanistic foundation of Weber’s law)

Trump Holds quiet meeting with Saudi Defense Minister Prince Khalid bin Salman, MbS younger brother

link

UPS cuts 20,000 jobs while reducing Amazon deliveries

link

DMSO-ivermectin pastes for cancer

link

How does Trump prove he has control of the CIA and how does he demonstrate this to Putin?

link

Polish General Calls For Million Man Reserve Force and Preparations to Attack Russia’s ‘Full Operational Depth’

link

FDA warns of heart damage following covid mRNA vaxxes

From the FDA: mRNA COVID-19 Vaccines: FDA Safety Communication – FDA Approves Required Updated Warning in Labeling Regarding Myocarditis and Pericarditis Following Vaccination

link