Final answer:
The loss of attention in the beach resort advertisement was due to low intensity in auditory and visual stimuli. High intensity is often needed to capture and hold viewers' attention, which was lacking in the ad's soft sounds and dim colors.
Step-by-step explanation:
The factor leading to loss of attention in the described TV advertisement for the beach resort, which used soft sounds and dim colors, was intensity. Intensity in auditory and visual stimuli plays a crucial role in capturing and maintaining viewers' attention. Loudness is the perception of auditory intensity, and in a visual context, bright, contrasting colors often represent higher visual intensity. The ad's low intensity in both sound and colors failed to engage viewers, who tend to be attracted to more vibrant and energetic presentations.
Attention is significantly influenced by the intensity of stimuli; both too high and too low intensity levels can lead to discomfort or disinterest, respectively. Furthermore, consistent exposure to high-intensity sounds can lead to hazardous effects on hearing, indicating the relevance of intensity in everyday experiences.