In Simons and Chabris’s (1999) experiment, participants are focused on a challengingperceptual task, counting the white team’s basketball passes while ignoring the black team’s basketball passes. Because of the challenging nature of the task:
A. Inattentional blindness is more likely to occur
B. Attentional capture of irrelevant stimuli is more likely to occur
C. Attention shift capacity is less likely to occur
D. The spotlight model of attention is needed to explain the data
Answer:
A. Inattentional blindness is more likely to occur
Explanation:
Inattentional blindness often referred to as Perceptual blindness is a term in psychology which describes the failure of an individual or observer to notice or perceive a fully visible but unexpected object, due to the attention being given or channeled to another task at that moment.
This is a phenomenon that was first coined by Irvin Rock and Arien Mack, in 1992, both are psychologists.
The most common experiments demonstrating inattentional blindness is the "invisible gorilla test" carried out by Christopher Chabris, Ph.D. and Daniel Simons, Ph.D.
Answer: b) clashing belief systems between cultures.
Options:
a) the universality of cultural belief systems.
b) clashing belief systems between cultures.
c) the dominance of certain cultural belief systems,.
d) the diversity of cultural belief systems.
Explanation: Postformal thinking occurs after adolescence. It is at this stage that an individual becomes aware of the contradictions between the same ideas such as the clashing belief systems between cultures. In addition, during this stage of cognitive development , a person is better able to see how comp.ex some issues are, that everything is not black or white but there are varying shades of what is right and what is wrong.
Activation of the <u>Serotonin </u>neurons of the forebrain would be expected to <u>suppress </u>aggressive attack.
Numerous studies link elevated impulsive and aggressive behaviors with reduced serotonin metabolites. The opposing association has been substantiated by therapies targeted at directly reducing serotonin cell activity, despite the fact that pharmaceutical reduction of serotonin is linked to an increase in aggression.
Furthermore, it is unclear whether any of the relationships observed may be caused by changed serotonin activity during development. Here, we used two Pharmacogenetic techniques to selectively and reversibly decrease the firing of serotonin neurons in behaving animals in transgenic mice.
A persistent reduction in serotonin neuron firing was linked to increased aggression, as demonstrated by conditional over expression of the serotonin 1A receptor (Htr1a) in serotonin neurons.
To learn more about Serotonin here
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