Yes same thing. Its just a different branding label. The ad choices provides a drop down menu when people see the ad and it allows them to "choose" ad preferences they have Its a way to self regulate ads from google.
Google AdSense is run by google and is used to all publishers to serve advertisement that are targeted to site content or media.
Adchoices are used to make you see relevant ads. With adchoices, you will be able to see the information of interests being used in advertisement. You can place YourAdChoices Icon beside your ads and it will help you know when the information of interest is being collected and used in other advertisements.
The debate on this is endless. I also would not repeat anything Wikipedia says it's not an authoritative source of any news. To my understanding, they are the same thing.
Adchoice is part of Adsense like a hand is part of your body. Adchioce is an option you press on the ad it's like settings on a phone or on your computer. I don't claim to be 100 percent correct, but this is my understanding. I may be wrong.
I believe these two terms are connected but not the same.
AdChoice is a self-regulatory program practised by advertisers represented by a small triangle icon marked ad choices placed on their ads or webpages. Once you click the icon, it leads to a pop-up where you have the control over the ads that are being shown based on your line of interests. You may find the icon with AdChoice in Adwords and Adsense.
Adsense is an advertising program set up by Google which allow you to make money whenever people click the ads displayed by Google on particular spaces provided in your website.
Google Adsense is an advertising network developed by Google, this is simply a bridge between people who want to place ads AND Advertisers. Adsense allows advertisers (who are website owners with visits or videos with lots of views) to place ads for profits.
Adsense ads will display mainly image banners, in addition to text banners, or display in Custom Search.
The AdChoise icon has a pixel size of 19x15 when shrinking and 76x15 pixels when enlarged. This icon appears in the top-right corner of the display ad and the lower-right corner of the text ad unit. AdChoise helps to provide users with clear information and choices about the ads they see, ads that appear on certain websites on the Google Display Network that show advertising icon notifications such as icons. "Ad Choices" or "Google Ads".