In the Strange Situation, Marcus is not distressed when his father leaves. He reacts to the stranger in much the same way as to his father. During reunion, Marcus is slow to greet his father

After she died, a post-mortem examination revealed that Ms. Jefferson had neurofibrillary tangles and amyloid plaques. Ms. Jefferson probably had __________

a. Alzheimer's disease b. Delirium c. Vascular dementia d. Frontemporal dementia

A demonstration of sensory adaptation can be obtained by

(a) putting both arms into lukewarm water, then putting each arm separately into hot and cold water (b) putting each arm separately into hot and cold water, then putting both arms in lukewarm water (c) putting both arms into hot water, then into cold water, then into lukewarm water (d) none of the above would demonstrate sensory adaptation since the skin receptors responsible for the sensation of hot and cold do not adapt, for evolutionary reasons